Math Trivia: Exam Practice Questions On Triangle!

1. If Liz wants to buy a car costing $8,000 and she must pay 20% down, how much is her down payment?

160

80

1600

800

Liz wants to buy a car costing $8,000 and she must pay 20% down. To calculate the down payment, we need to find 20% of $8,000. 20% of $8,000 is equal to (20/100) * $8,000 = $1,600. Therefore, Liz's down payment is $1,600.

Explanation

Liz wants to buy a car costing $8,000 and she must pay 20% down. To calculate the down payment, we need to find 20% of $8,000. 20% of $8,000 is equal to (20/100) * $8,000 = $1,600. Therefore, Liz's down payment is $1,600.

2. If a tree has grown an average of five feet per year for 11 years, how tall is it?

55 Feet

40 Feet

36 Feet

80 Feet

If a tree has grown an average of five feet per year for 11 years, the total height of the tree would be 55 feet. This can be calculated by multiplying the average growth rate of 5 feet per year by the number of years, which is 11. Therefore, the tree would be 55 feet tall.

Explanation

If a tree has grown an average of five feet per year for 11 years, the total height of the tree would be 55 feet. This can be calculated by multiplying the average growth rate of 5 feet per year by the number of years, which is 11. Therefore, the tree would be 55 feet tall.

3. If a bottle has 64 ounces of juice and eight people share it, how much juice does each one get?

Eight Ounces

26 Ounces

17 Ounces

Five Ounces

Each person gets 8 ounces of juice because there are 64 ounces of juice divided among 8 people.

Explanation

Each person gets 8 ounces of juice because there are 64 ounces of juice divided among 8 people.

4. If a pencil costs $1.00 and every tenth pencil is free, how much would you pay for 25 pencils?

25

20

23

26

If every tenth pencil is free, then for 25 pencils, one pencil will be free. So, you would pay for 24 pencils. Since each pencil costs $1.00, the total cost would be $24. Therefore, the correct answer is 24.

Explanation

If every tenth pencil is free, then for 25 pencils, one pencil will be free. So, you would pay for 24 pencils. Since each pencil costs $1.00, the total cost would be $24. Therefore, the correct answer is 24.

5. If a runner starts a race at 11:15 and runs for 34 minutes, at what time does he finish?

11:49

11:34

11:59

11:39

The runner starts the race at 11:15 and runs for 34 minutes, so we need to add 34 minutes to the starting time. Adding 30 minutes to 11:15 gives us 11:45, and adding an additional 4 minutes gives us 11:49. Therefore, the runner finishes the race at 11:49.

Explanation

The runner starts the race at 11:15 and runs for 34 minutes, so we need to add 34 minutes to the starting time. Adding 30 minutes to 11:15 gives us 11:45, and adding an additional 4 minutes gives us 11:49. Therefore, the runner finishes the race at 11:49.

6. How many sides does a decagon have?

10

100

12

Five

A decagon is a polygon with 10 sides. In this question, the correct answer is 10, which accurately represents the number of sides in a decagon.

Explanation

A decagon is a polygon with 10 sides. In this question, the correct answer is 10, which accurately represents the number of sides in a decagon.

7. If Dave's car has traveled 300 miles on 15 gallons of gas, what is the mileage?

50 MPG

10 MPG

20 MPG

100 MPG

The mileage of Dave's car is 20 MPG because it has traveled 300 miles on 15 gallons of gas. To calculate the mileage, we divide the total distance traveled (300 miles) by the amount of gas used (15 gallons). The result is 20 miles per gallon.

Explanation

The mileage of Dave's car is 20 MPG because it has traveled 300 miles on 15 gallons of gas. To calculate the mileage, we divide the total distance traveled (300 miles) by the amount of gas used (15 gallons). The result is 20 miles per gallon.

8. What is the total area in square feet of a room that measures 6' by 12'?

90

36

42

72

The total area of a rectangular room can be found by multiplying its length by its width. In this case, the room measures 6 feet by 12 feet. So, the total area would be 6 feet multiplied by 12 feet, which equals 72 square feet.

Explanation

The total area of a rectangular room can be found by multiplying its length by its width. In this case, the room measures 6 feet by 12 feet. So, the total area would be 6 feet multiplied by 12 feet, which equals 72 square feet.

9. In a grid of 80 squares, how many squares should be shaded for 25% of the grid to be shaded?

40

80

10

20

To find the number of squares that should be shaded for 25% of the grid to be shaded, we need to calculate 25% of 80. To do this, we multiply 80 by 0.25, which gives us 20. Therefore, 20 squares should be shaded for 25% of the grid to be shaded.

Explanation

To find the number of squares that should be shaded for 25% of the grid to be shaded, we need to calculate 25% of 80. To do this, we multiply 80 by 0.25, which gives us 20. Therefore, 20 squares should be shaded for 25% of the grid to be shaded.

10. If the diameter of a circle is 4", what is its radius?

3"

1/2"

2"

1"

The diameter of a circle is twice the length of its radius. Therefore, if the diameter of the circle is 4 inches, the radius would be half of that, which is 2 inches.

Explanation

The diameter of a circle is twice the length of its radius. Therefore, if the diameter of the circle is 4 inches, the radius would be half of that, which is 2 inches.

11. How much fencing would be needed to enclose a rectangular back yard that is 20 feet by 10 feet?

30 Feet

60 Feet

100 Feet

200 Feet

To calculate the amount of fencing needed to enclose a rectangular backyard, we need to find the perimeter. The perimeter of a rectangle is calculated by adding the lengths of all four sides. In this case, the length is 20 feet and the width is 10 feet. So, the perimeter would be 2 times the length plus 2 times the width, which is (2 * 20) + (2 * 10) = 60 feet. Therefore, 60 feet of fencing would be needed to enclose the backyard.

Explanation

To calculate the amount of fencing needed to enclose a rectangular backyard, we need to find the perimeter. The perimeter of a rectangle is calculated by adding the lengths of all four sides. In this case, the length is 20 feet and the width is 10 feet. So, the perimeter would be 2 times the length plus 2 times the width, which is (2 * 20) + (2 * 10) = 60 feet. Therefore, 60 feet of fencing would be needed to enclose the backyard.

12. If a recipe calls for 3/4 cup of flour but you are doubling it, how much flour do you need?

2/3 Cup

3 Cups

3/8 Cup

1 1/2 Cups

If a recipe calls for 3/4 cup of flour and you are doubling it, you need to multiply 3/4 by 2. This can be done by multiplying the numerators (3) and the denominators (4) separately. Multiplying 3 by 2 gives 6, and multiplying 4 by 2 gives 8. Therefore, the amount of flour needed when doubling the recipe is 6/8 cup. Simplifying this fraction gives 3/4 cup, which is equal to 1 1/2 cups.

Explanation

If a recipe calls for 3/4 cup of flour and you are doubling it, you need to multiply 3/4 by 2. This can be done by multiplying the numerators (3) and the denominators (4) separately. Multiplying 3 by 2 gives 6, and multiplying 4 by 2 gives 8. Therefore, the amount of flour needed when doubling the recipe is 6/8 cup. Simplifying this fraction gives 3/4 cup, which is equal to 1 1/2 cups.

13. If you buy groceries 8 times a month and spend about $60 each time, how much is that per month?

680

480

800

575

If you buy groceries 8 times a month and spend about $60 each time, you can calculate the total amount spent per month by multiplying the number of times you buy groceries (8) by the amount spent each time ($60). Therefore, the total amount spent per month would be 8 * $60 = $480.

Explanation

If you buy groceries 8 times a month and spend about $60 each time, you can calculate the total amount spent per month by multiplying the number of times you buy groceries (8) by the amount spent each time ($60). Therefore, the total amount spent per month would be 8 * $60 = $480.

14. If you pay five cents per minute for long distance calls, how much will 90 minutes of calls cost?

9.5

7

4.5

1.4

If you pay five cents per minute for long distance calls, the cost of 90 minutes of calls can be calculated by multiplying the cost per minute (5 cents) by the number of minutes (90). This can be done as follows: 5 cents/minute * 90 minutes = 450 cents. Since there are 100 cents in a dollar, the cost of 90 minutes of calls is $4.50. Therefore, the correct answer is 4.5.

Explanation

If you pay five cents per minute for long distance calls, the cost of 90 minutes of calls can be calculated by multiplying the cost per minute (5 cents) by the number of minutes (90). This can be done as follows: 5 cents/minute * 90 minutes = 450 cents. Since there are 100 cents in a dollar, the cost of 90 minutes of calls is $4.50. Therefore, the correct answer is 4.5.

15. If Chris got 22, 26, and 24 points in his last three games, what is his average of points per game?

24

72

20

26

Chris got 22, 26, and 24 points in his last three games. To find the average, we add up the points and divide by the number of games played. Adding 22, 26, and 24 gives us a total of 72. Since Chris played 3 games, we divide 72 by 3 to find the average. Therefore, his average points per game is 24.

Explanation

Chris got 22, 26, and 24 points in his last three games. To find the average, we add up the points and divide by the number of games played. Adding 22, 26, and 24 gives us a total of 72. Since Chris played 3 games, we divide 72 by 3 to find the average. Therefore, his average points per game is 24.

16. If a recipe calls for 20 quarts of milk, how many two-gallon jugs of milk should I purchase?

12

Six

Three

Nine

To find the number of two-gallon jugs of milk needed, we need to convert the 20 quarts of milk into gallons. Since there are 4 quarts in a gallon, 20 quarts is equal to 5 gallons. Each two-gallon jug can hold 2 gallons, so we divide 5 gallons by 2 gallons per jug. The result is 2.5, but since we can't purchase a fraction of a jug, we round up to the nearest whole number. Therefore, we need to purchase three two-gallon jugs of milk.

Explanation

To find the number of two-gallon jugs of milk needed, we need to convert the 20 quarts of milk into gallons. Since there are 4 quarts in a gallon, 20 quarts is equal to 5 gallons. Each two-gallon jug can hold 2 gallons, so we divide 5 gallons by 2 gallons per jug. The result is 2.5, but since we can't purchase a fraction of a jug, we round up to the nearest whole number. Therefore, we need to purchase three two-gallon jugs of milk.