# UPCAT Simulated Exam Math Quiz!

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• 1.

### A circular table is pushed into a corner of a rectangular room so that it touches both walls.  A point on the edge on the edge of the table between the two points of contact is 2 inches from one wall and 9 inches from the other wall.  What is the radius of the table?

• A.

20 inches

• B.

12 inches

• C.

15 inches

• D.

17 inches

D. 17 inches
Explanation
Since the table is pushed into a corner of the room, it forms a right triangle with the two walls. The point on the edge of the table forms the hypotenuse of this right triangle. Using the Pythagorean theorem, we can calculate the length of the hypotenuse, which is the radius of the table. The square of the radius is equal to the sum of the squares of the two sides of the right triangle. Therefore, the radius is equal to the square root of (2^2 + 9^2), which is equal to 17 inches.

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• 2.

### Twelve consecutive integers are added together. What is the remainder when the sum is divided by 4?

• A.

1

• B.

2

• C.

3

• D.

No remainder

B. 2
Explanation
When adding consecutive integers, we can observe a pattern. If we start with an integer that is divisible by 4, then the sum of the twelve consecutive integers will also be divisible by 4, resulting in a remainder of 0. If we start with an integer that leaves a remainder of 1 when divided by 4, then the sum of the twelve consecutive integers will leave a remainder of 1 when divided by 4. Similarly, if we start with an integer that leaves a remainder of 2 when divided by 4, then the sum of the twelve consecutive integers will leave a remainder of 2 when divided by 4. Therefore, the remainder when the sum is divided by 4 is 2.

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• 3.

### Find the total surface area in square meters of a rectangular solid whose length is 7 meters, width is 6 meters, and depth is 3 meters.

• A.

32

• B.

162

• C.

81

• D.

126

B. 162
Explanation
The total surface area of a rectangular solid can be found by adding up the areas of all six faces. In this case, the length is 7 meters, the width is 6 meters, and the depth is 3 meters. The formula for the surface area of a rectangular solid is 2lw + 2lh + 2wh. Plugging in the given values, we get 2(7)(6) + 2(7)(3) + 2(6)(3) = 84 + 42 + 36 = 162 square meters.

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• 4.

### A cube has a volume of 125cm3. What is the area of one face of a cube?

• A.

20 sqcm

• B.

25 sqcm

• C.

41.33 sqcm

• D.

5 sqcm

B. 25 sqcm
Explanation
The volume of a cube is calculated by multiplying the length, width, and height of the cube. In this case, the volume is given as 125cm3. Since all sides of a cube are equal, we can find the length of one side by taking the cube root of the volume. The cube root of 125 is 5. Therefore, the length of one side of the cube is 5cm. The area of one face of the cube is found by squaring the length of one side. The square of 5 is 25. Therefore, the area of one face of the cube is 25 sqcm.

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• 5.

### The diagonals of a rhombus measure 24 inches and 32 inches.  The perimeter of a rhombus.

• A.

Cannot be determined uniquely from the given information

• B.

Must be 80 inches

• C.

Must be 160 inches

• D.

Must be 100 inches

B. Must be 80 inches
Explanation
The diagonals of a rhombus intersect at right angles and bisect each other. Since the diagonals measure 24 inches and 32 inches, half of each diagonal would be 12 inches and 16 inches respectively. The sides of the rhombus are equal in length, so the perimeter can be determined by adding all four sides together. Since each side is formed by the combination of half of each diagonal, the perimeter can be calculated as 2 times the sum of the diagonals' halves, which is 2(12 + 16) = 2(28) = 56 inches. Therefore, the correct answer is that the perimeter must be 80 inches.

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• 6.

### A car traveled 3 miles south, 9 miles east, and then another 9 miles south.  What is the straight-line distance (in miles) between the point where the car started and where it stopped?

• A.

21

• B.

18

• C.

3

• D.

15

D. 15
Explanation
The car first traveled 3 miles south, then 9 miles east, and finally another 9 miles south. If we draw a straight line from the starting point to the stopping point, it would form a right-angled triangle. The distance traveled south can be considered as the height of the triangle, which is 3 + 9 = 12 miles. The distance traveled east can be considered as the base of the triangle, which is 9 miles. Using the Pythagorean theorem, we can calculate the hypotenuse (the straight-line distance) as the square root of (12^2 + 9^2) = 15 miles. Therefore, the correct answer is 15.

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• 7.

### The diagonals of a rhombus measure 24 inches and 32 inches.  The perimeter of a rhombus

• A.

Cannot be determined uniquely from the given information

• B.

Must be 80 inches

• C.

Must be 81 inches

• D.

Must be 160 inches

B. Must be 80 inches
Explanation
The diagonals of a rhombus intersect at right angles and bisect each other. In a rhombus, the length of the diagonals is not enough to determine the length of the sides or the perimeter. However, we can determine that the length of each side of the rhombus is equal to half the perimeter. Since the diagonals measure 24 inches and 32 inches, the length of each side would be half of the sum of these lengths, which is 28 inches. Therefore, the perimeter of the rhombus must be 4 times the length of each side, which is 4 * 28 = 112 inches. However, none of the given options match this value, so the correct answer is that the perimeter cannot be determined uniquely from the given information.

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• 8.

### Find the y-intercept of the perpendicular bisector of AB where A (5, 8) and B (-2, 2)

• A.

6.75

• B.

7.75

• C.

8.75

• D.

8.25

C. 8.75
Explanation
To find the y-intercept of the perpendicular bisector of AB, we first need to find the midpoint of AB. The midpoint is calculated by taking the average of the x-coordinates and the average of the y-coordinates. In this case, the midpoint is (1.5, 5).

Next, we find the slope of AB by using the formula (y2 - y1) / (x2 - x1). The slope of AB is (2 - 8) / (-2 - 5) = -6 / -7 = 6/7.

Since the perpendicular bisector is perpendicular to AB, its slope is the negative reciprocal of the slope of AB. The slope of the perpendicular bisector is -7/6.

Using the slope-intercept form of a line, y = mx + b, we can substitute the midpoint coordinates and the slope of the perpendicular bisector to find the y-intercept.

5 = (-7/6)(1.5) + b
5 = -7/4 + b
b = 5 + 7/4
b = 20/4 + 7/4
b = 27/4

Therefore, the y-intercept of the perpendicular bisector of AB is 27/4, which is equal to 6.75.

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• 9.

### The sum of the first five terms of a geometric sequence is 93.  If its common ratio is 2, what is the first term?

• A.

2

• B.

4

• C.

3

• D.

5

C. 3
Explanation
The sum of the first five terms of a geometric sequence can be found using the formula S = a(r^n - 1) / (r - 1), where S is the sum, a is the first term, r is the common ratio, and n is the number of terms. In this case, we are given that S = 93, r = 2, and n = 5. Plugging these values into the formula, we can solve for a.

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• 10.

• A.

2 or -1

• B.

-2 or 1

• C.

1/2 or -1

• D.

1/4 or 1

C. 1/2 or -1
• 11.

### The sides of a right triangle are denoted as x, (x + 1) and (x + 2).  What is the largest side of the triangle?

• A.

3

• B.

4

• C.

5

• D.

6

C. 5
Explanation
In a right triangle, the largest side is always the hypotenuse. According to the given information, the sides of the triangle are denoted as x, (x + 1), and (x + 2). Since the hypotenuse is always the longest side, we can conclude that (x + 2) is the largest side. Therefore, the correct answer is 5.

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• 12.

### A letter is chosen at random from the word “superstar”. What is the probability that a letter is a vowel?

• A.

2/3

• B.

1/3

• C.

1/9

• D.

1/6

B. 1/3
Explanation
The word "superstar" has 9 letters. Out of these 9 letters, there are 3 vowels (u, e, a). Therefore, the probability of randomly choosing a vowel from the word "superstar" is 3/9, which simplifies to 1/3.

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• 13.

### The measures of the sides of a triangle are 10, 13, and 13 cm, how far is the shortest side to the opposite vertex?

• A.

11 cm

• B.

12 cm

• C.

12.5 cm

• D.

12 cm

B. 12 cm
Explanation
In a triangle, the shortest side is opposite the smallest angle. Since the two sides of the triangle are equal in length (13 cm), the two angles opposite these sides are also equal. Therefore, the shortest side is opposite the smallest angle, which means it is opposite the side of length 10 cm. Hence, the shortest side is 12 cm away from the opposite vertex.

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• 14.

### What is 2563/4?

• A.

192

• B.

64

• C.

128

• D.

160

B. 64
Explanation
The correct answer is 64 because when you divide 2563 by 4, you get 640. Since 640 is larger than 2563, you need to find the closest number to 2563 that is divisible by 4, which is 2560. Dividing 2560 by 4 gives you 640, so the answer is 64.

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• 15.

### A store sells calamansi at 8 for P2.00.  If it changes the price to 10 calamansi for P3.00, what is the percent increase in price per calamansi?

• A.

20%

• B.

25%

• C.

33 1/3%

• D.

40%

A. 20%
Explanation
The original price of calamansi was 8 for P2.00, which means each calamansi cost P0.25. After the price change, the new price is 10 calamansi for P3.00, which means each calamansi now costs P0.30. To find the percent increase, we calculate the difference between the new and old prices, which is P0.30 - P0.25 = P0.05. Then we divide this difference by the old price, P0.05 / P0.25 = 0.2. Finally, we multiply this result by 100 to find the percentage increase, 0.2 * 100 = 20%.

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• 16.

### The minute hand of a clock has made sixteen complete revolutions since noon, what angle (in degrees) does the minute hand make with the hour hand?

• A.

60

• B.

150

• C.

90

• D.

120

D. 120
Explanation
The minute hand of a clock makes one complete revolution every 60 minutes. Since it has made sixteen complete revolutions since noon, it means that 16 hours have passed. The hour hand moves 30 degrees per hour, so in 16 hours, it has moved 16 * 30 = 480 degrees. The minute hand moves 360 degrees in one complete revolution. Since the hour hand is at 480 degrees and the minute hand has made 16 complete revolutions, it means that the minute hand is at 480 + (16 * 360) = 6120 degrees. The angle between the minute hand and the hour hand is the difference between their positions, so it is 6120 - 480 = 5640 degrees. However, we only need to consider the angle within one complete revolution, so we subtract 360 degrees from 5640, resulting in 5280 degrees. Finally, we subtract 5280 degrees from 6120 degrees to find the angle between the minute hand and the hour hand, which is 6120 - 5280 = 840 degrees. However, we only need to consider the smaller angle within one complete revolution, so we subtract 360 degrees from 840, resulting in 480 degrees. Therefore, the angle the minute hand makes with the hour hand is 480 degrees.

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• 17.

### Solve for x: 4x = 8

• A.

1/2

• B.

3

• C.

-2

• D.

3/2

D. 3/2
Explanation
To solve for x in the equation 4x = 8, we need to isolate x on one side of the equation. To do this, we divide both sides of the equation by 4. This cancels out the 4 on the left side, leaving us with x = 8/4, which simplifies to x = 2. Therefore, the correct answer is 2.

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• 18.

### What are the roots of the equation x2 + 3x - 10

• A.

-5, 2

• B.

3, 1

• C.

-2, 5

• D.

5, 2

A. -5, 2
Explanation
The roots of the equation x^2 + 3x - 10 are -5 and 2. This can be determined by factoring the equation or by using the quadratic formula. When the equation is factored, it becomes (x - 2)(x + 5), which means that when x is equal to -5 or 2, the equation equals zero. Therefore, -5 and 2 are the roots of the equation.

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• 19.

### What is (1 + 2)2 + (3 - 1) * 33 + 1?

• A.

28

• B.

3

• C.

6

• D.

-3

A. 28
Explanation
The given expression involves a combination of addition, subtraction, and multiplication. First, we calculate (1 + 2) which equals 3. Then, we square this result, giving us 9. Next, we calculate (3 - 1) which equals 2. We multiply this by 33, resulting in 66. Finally, we add 9 and 66, giving us a final answer of 75. Therefore, the correct answer is 75.

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• 20.

### Which of the following statement is not true?

• A.

The slope of a vertical line is undefined

• B.

The slope of a line from left to right, going upwards is positive

• C.

The slope of a line from left to right, going downwards is negative

• D.

None of the above

D. None of the above
Explanation
The statement "none of the above" is not true because all of the statements given are true. The slope of a vertical line is undefined because it does not have a defined rise over run. The slope of a line from left to right, going upwards is positive because it has a positive rise over run. The slope of a line from left to right, going downwards is negative because it has a negative rise over run. Therefore, all of the statements given are true.

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• 21.

### For every negative number z, if x > y, then

• A.

X>z

• B.

Xz

• C.

X+z

• D.

None of the above

D. None of the above
Explanation
The given statement does not provide enough information to determine the relationship between x and z. Therefore, none of the options can be definitively concluded based on the given information.

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• 22.

### In the system {x > 0, y > 0}, the intersection is the set of all numbers pairs in

• A.

• B.

• C.

• D.

All of the above

Explanation
The system {x > 0, y > 0} represents the condition where both x and y are greater than 0. In the coordinate plane, Quadrant I is the region where both x and y values are positive. Therefore, the intersection of the system {x > 0, y > 0} is Quadrant I, as it includes all number pairs where both x and y are positive.

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• 23.

### The second and fifth term of a geometric progression is 6 and 162 respectively.  What is the common ratio?

• A.

1/2

• B.

1/3

• C.

3

• D.

2

C. 3
Explanation
In a geometric progression, each term is obtained by multiplying the previous term by a constant called the common ratio. In this case, we can find the common ratio by dividing the fifth term (162) by the second term (6). 162 divided by 6 equals 27. Therefore, the common ratio is 27.

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• 24.

### If m, m+3, 2m-5  is an arithmetic progression, what is the value of m?

• A.

3

• B.

8

• C.

14

• D.

11

D. 11
Explanation
If m, m+3, 2m-5 is an arithmetic progression, it means that the difference between each consecutive term is the same. To find this difference, we can subtract the first term (m) from the second term (m+3) and the second term from the third term (2m-5). This gives us (m+3) - m = 3 and (2m-5) - (m+3) = m-8. Since these two differences should be equal, we can set them equal to each other and solve for m. Therefore, m-8 = 3, which gives us m = 11.

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• 25.

### What is the sum of the first 40 multiples of 4?

• A.

3200

• B.

3280

• C.

6560

• D.

6400

B. 3280
Explanation
The sum of the first 40 multiples of 4 can be found by using the formula for the sum of an arithmetic series. The formula is given by S = (n/2)(a + l), where S is the sum, n is the number of terms, a is the first term, and l is the last term. In this case, the first term is 4 and the last term is 160. Plugging these values into the formula, we get S = (40/2)(4 + 160) = 20(164) = 3280. Therefore, the correct answer is 3280.

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• 26.

### If  1 < a < 5 and 2 < b < 7,  what is the greatest value of a2 - b2?

• A.

1

• B.

24

• C.

48

• D.

21

D. 21
Explanation
The greatest value of a² - b² can be found by substituting the largest possible values for a and b into the equation. Since 1 < a < 5 and 2 < b < 7, the largest possible value for a is 4 and the largest possible value for b is 6. Plugging these values into the equation, we get 4² - 6² = 16 - 36 = -20. However, since we are looking for the greatest value, we take the absolute value of -20, which is 20. Therefore, the correct answer is 20.

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• 27.

### When the polynomial x4 - 3 is divided by x3 - 3 , the remainder  is

• A.

3

• B.

-3x-3

• C.

3x-3

• D.

-3

C. 3x-3
Explanation
When dividing the polynomial x^4 - 3 by x^3 - 3, we can use long division. The first step is to divide the highest degree term, x^4, by x^3, which gives us x. We then multiply x^3 - 3 by x, which gives us x^4 - 3x. Subtracting this from the original polynomial leaves us with -3x - 3. We then repeat the process with -3x - 3, dividing it by x^3 - 3. Dividing -3x by x^3 gives us -3/x^2, which simplifies to -3x^2. Multiplying x^3 - 3 by -3/x^2 gives us -3x^3 + 9/x^2. Subtracting this from -3x - 3 gives us the remainder -9/x^2 - 3. Therefore, the correct answer is 3x - 3.

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• 28.

### An operation "#" is defined this way: p#q = pq .  What is the value of (2#3)#2?

• A.

64

• B.

36

• C.

16

• D.

48

A. 64
Explanation
The operation "#" is defined as the product of two numbers. Therefore, (2#3) means multiplying 2 and 3, resulting in 6. Then, (6#2) is calculated by multiplying 6 and 2, which equals 12. Therefore, the value of (2#3)#2 is 12.

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• 29.

### What is the x-intercept of the line 2x + 7y +15 = 0?

• A.

15/7

• B.

-15/2

• C.

-15

• D.

2/15

B. -15/2
Explanation
The x-intercept of a line is the point where the line crosses the x-axis. To find the x-intercept, we set y=0 in the equation of the line and solve for x. In this case, when we substitute y=0 into the equation 2x + 7y + 15 = 0, we get 2x + 15 = 0. Solving for x, we find x = -15/2. Therefore, the x-intercept of the line is -15/2.

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• 30.

### In how many ways can four students sit in a row of four chairs?

• A.

24

• B.

16

• C.

4

• D.

1

A. 24
Explanation
There are four students and four chairs, so the first student has four choices for a seat. After the first student is seated, there are three remaining seats for the second student to choose from. Once the second student is seated, there are two remaining seats for the third student, and finally, the last student has only one seat left to choose from. Therefore, the total number of ways the four students can sit in a row of four chairs is 4 x 3 x 2 x 1 = 24.

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• 31.

### How many 3-digit numbers can you get from the digits 1, 2, 3, 4, 5 without repeating the digits?

• A.

15

• B.

60

• C.

120

• D.

240

B. 60
Explanation
To find the number of 3-digit numbers that can be formed without repeating the digits, we need to calculate the number of permutations. We have 5 digits to choose from for the hundreds place, 4 digits for the tens place (as one digit has already been used), and 3 digits for the units place. Therefore, the total number of permutations is 5 x 4 x 3 = 60. Hence, the correct answer is 60.

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• 32.

### There are 12 teams in the Asian Cup of the football game.  If each team must play once with all the other teams, how many games should be played?

• A.

24

• B.

66

• C.

132

• D.

144

C. 132
Explanation
In a round-robin tournament, each team plays once against all the other teams. To determine the number of games, we need to find the number of possible matchups between the teams. With 12 teams, each team will play against 11 other teams. However, this counts each matchup twice (once for each team involved). Therefore, the total number of games is (12 * 11) / 2 = 132.

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• 33.

### What is the probability of getting a sum of 10 from rolling a pair of 6 sided dice?

• A.

1/2

• B.

1/12

• C.

1/13

• D.

1/36

B. 1/12
Explanation
When rolling a pair of 6-sided dice, there are a total of 36 possible outcomes (6 outcomes for the first die multiplied by 6 outcomes for the second die). To get a sum of 10, there are only 3 possible outcomes: (4,6), (5,5), and (6,4). Therefore, the probability of getting a sum of 10 is 3/36, which simplifies to 1/12.

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• 34.

### In a regular deck of 52 cards, a face card is a jack, a queen, or a king.  What is the probability of picking a face card from a regular deck?

• A.

1/2

• B.

1/4

• C.

1/13

• D.

3/13

D. 3/13
Explanation
In a regular deck of 52 cards, there are 12 face cards (4 jacks, 4 queens, and 4 kings). The probability of picking a face card from a regular deck can be calculated by dividing the number of face cards by the total number of cards in the deck. Therefore, the probability is 12/52, which simplifies to 3/13.

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• 35.

### There are 100 ping pong balls numbered 1 to 100 in a dropbox.  If a ball is randomly picked from a dropbox, what is the probability of getting a ball divisible by 6?

• A.

3/50

• B.

1/16

• C.

4/25

• D.

1/100

C. 4/25
Explanation
The probability of getting a ball divisible by 6 can be calculated by finding the number of balls divisible by 6 and dividing it by the total number of balls. In this case, there are 16 balls (6, 12, 18, ..., 96, 100) that are divisible by 6, out of a total of 100 balls. Therefore, the probability is 16/100, which simplifies to 4/25.

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• 36.

### From a set of 10 different entries in a painting contest, 3 are to be chosen to receive the first, second, and third prize.  How many ways can these prizes be awarded?

• A.

5040

• B.

720

• C.

60

• D.

120

D. 120
Explanation
There are 10 different entries in the painting contest and we need to choose 3 of them for the first, second, and third prize. The order in which the prizes are awarded does not matter. We can use the concept of combinations to solve this problem. The number of ways to choose 3 entries from 10 is given by the formula 10C3 = 10! / (3! * (10-3)!) = 120. Therefore, there are 120 ways to award these prizes.

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• 37.

### A 5 centavo coin and a 10 centavo coin are each tossed once and their top faces noted.  What is the probability of tails on both coins?

• A.

1/2

• B.

2/3

• C.

1/4

• D.

3/4

C. 1/4
Explanation
When two coins are tossed, each coin has two possible outcomes: heads or tails. Since we are interested in the probability of getting tails on both coins, we need to consider the probability of getting tails on the first coin (1/2) multiplied by the probability of getting tails on the second coin (1/2). Multiplying these probabilities gives us 1/4, which is the probability of getting tails on both coins.

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• 38.

### In how many ways can 8 different beads be put in a string to make a ring?

• A.

40320

• B.

2520

• C.

5040

• D.

8

B. 2520
Explanation
There are 8 different beads that need to be arranged in a string to make a ring. The number of ways to arrange these beads can be found using the concept of permutations. The formula for permutations of n objects taken all at a time is n!. In this case, there are 8 beads, so the number of permutations is 8!. However, since the beads are arranged in a ring, there will be rotations that result in the same arrangement. Each arrangement can be rotated in 8 different ways, so we need to divide the total number of permutations by 8. Therefore, the number of ways to arrange the beads to make a ring is 8!/8 = 2520.

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• 39.

### If a basketball court in the MBA is 100ft long and half of the court is an exact square, what is the area of one half-court?

• A.

1000 sqft

• B.

2500 sqft

• C.

6250 sqft

• D.

3000 sqft

B. 2500 sqft
Explanation
Since half of the basketball court is an exact square, we can determine the length of one side of the square by dividing the length of the court by 2. Therefore, the length of one side of the square is 100ft / 2 = 50ft. The area of a square is calculated by multiplying the length of one side by itself, so the area of the square is 50ft * 50ft = 2500 sqft. Therefore, the area of one half-court is 2500 sqft.

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• 40.

### The width of a rectangle is 4/5 of its length. If its perimeter is 72, what is its area?

• A.

160

• B.

250

• C.

280

• D.

320

D. 320
Explanation
Let's assume the length of the rectangle is L. According to the given information, the width of the rectangle is 4/5 of its length, which means the width is (4/5)L.
The perimeter of a rectangle is given by the formula P = 2(L + W), where P is the perimeter, L is the length, and W is the width.
Substituting the given values, we have 72 = 2(L + (4/5)L).
Simplifying the equation, we get 72 = 2(9/5)L.
Dividing both sides by 2, we get 36 = (9/5)L.
Multiplying both sides by 5/9, we get L = 20.
Therefore, the length of the rectangle is 20 units and the width is (4/5)(20) = 16 units.
The area of a rectangle is given by the formula A = L * W.
Substituting the values, we get A = 20 * 16 = 320.
Hence, the area of the rectangle is 320.

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• 41.

### If the height of a triangle is halved and its base doubled, what is the ratio of the area of the new triangle to the area of the old one?

• A.

2 : 1

• B.

1 : 1

• C.

1 : 2

• D.

2 : 3

B. 1 : 1
Explanation
When the height of a triangle is halved and its base is doubled, the area of the new triangle remains the same as the area of the old one. This is because the formula for the area of a triangle is 1/2 * base * height. When the height is halved, the factor of 1/2 is compensated by doubling the base, resulting in the same area. Therefore, the ratio of the area of the new triangle to the area of the old one is 1:1.

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• 42.

### What is the maximum rectangular area that can be enclosed in a wire of length of 8m?

• A.

1 sqm

• B.

4 sqm

• C.

8 sqm

• D.

16 sqm

B. 4 sqm
Explanation
The maximum rectangular area that can be enclosed in a wire of length 8m is 4 sqm. This can be achieved by creating a square with sides measuring 2m each. The perimeter of this square would be 8m, and the area would be 4 sqm.

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• 43.

### If the radius of a circle is increased by 30%, by how much will the area increase?

• A.

60%

• B.

120%

• C.

169%

• D.

69%

D. 69%
Explanation
When the radius of a circle is increased by 30%, the new radius becomes 1.3 times the original radius. The area of a circle is calculated using the formula A = πr^2, where r is the radius. If we substitute the new radius into the formula, we get A' = π(1.3r)^2 = π(1.69r^2). Comparing this to the original area, the area increase is 69% (1.69 - 1 = 0.69 or 69%).

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• 44.

### ABCDE is a regular pentagon, what is the measure of an interior angle?

• A.

72 degrees

• B.

108 degrees

• C.

144 degrees

• D.

200 degrees

B. 108 degrees
Explanation
A regular pentagon has five equal sides and five equal interior angles. To find the measure of an interior angle, we can use the formula (n-2) * 180 / n, where n is the number of sides of the polygon. Plugging in the values, we get (5-2) * 180 / 5 = 3 * 180 / 5 = 540 / 5 = 108 degrees. Therefore, the measure of an interior angle of a regular pentagon is 108 degrees.

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• 45.

### When a can of sardines sells at P16.80 each, the supermarket makes a 40% profit.  What should the sale price of a can be if the store is willing to make only a 10% profit?

• A.

P 11.75

• B.

P 13.20

• C.

P 12.00

• D.

P 14.60

B. P 13.20
Explanation
To find the sale price of a can with a 10% profit, we need to calculate the cost price of the can. Since the supermarket makes a 40% profit when selling the can at P16.80, the cost price can be calculated as follows:

Cost Price = Selling Price / (1 + Profit %)
Cost Price = P16.80 / (1 + 40/100)
Cost Price = P16.80 / 1.40
Cost Price = P12

Now, to make a 10% profit, we can calculate the sale price as follows:

Sale Price = Cost Price + (Cost Price * Profit %)
Sale Price = P12 + (P12 * 10/100)
Sale Price = P12 + P1.20
Sale Price = P13.20

Therefore, the sale price of a can should be P13.20.

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• 46.

### The bus fare is P20.00 for the first 5 km and P3.50 for every additional kilometer.  What is the bus fare for a 45 km bus trip?

• A.

P 145

• B.

P 155

• C.

P 150

• D.

P 160

D. P 160
Explanation
The bus fare for the first 5 km is P20.00. For every additional kilometer after the first 5 km, the fare is P3.50. Since the bus trip is 45 km, we need to calculate the fare for the additional 40 km. 40 km multiplied by P3.50 gives us P140.00. Adding this to the initial fare of P20.00, we get a total fare of P160.00.

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• 47.

### A man wants to cover a distance by car in 20% less time than he usually takes.  By what percent must he increase his driving speed?

• A.

20

• B.

30

• C.

25

• D.

40

C. 25
Explanation
To cover a distance in 20% less time, the man needs to decrease his time by 20%. To calculate the percentage increase in speed, we can use the formula: (Decrease in time / Original time) * 100. In this case, (20 / 100) * 100 = 20%. Therefore, the man needs to increase his driving speed by 25% to cover the distance in 20% less time.

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• 48.

### Mr. Antonio, an Engineering teacher is writing a test consisting of a total of 30 problems worth 2-points, 3-points, and 5-points each.  If the number of 2-point problems is twice the number of 5-point problems, and the number of 3-point problems, is 5 less than the number of 2-point problems, what is the total value of the test?

• A.

50

• B.

90

• C.

100

• D.

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