13 Questions

Questions and Answers

- 1.A map is drawn to a scale of 1 : 2000. (a) What is the length in m of a line on the map measuring 15 cm? (b) The area of a plot is 25000 . What is its area in on the map?
- A.
- B.
- C.
- D.
- E.

- 2.When x = 2, y = 5. Find y when x = -2
- A.
-5

- B.
5

- C.
0

- D.
-10

- E.
10

- 3.Adam is x years old and his brother Brian is years old now. 3 years ago Brian was twice Adam's age now. How old are Adam and Brian now?
- A.
Adam is 4 and Brian is 16

- B.
Adam is 3 and Brian is 6

- C.
Adam is 3 and Brian is 9

- D.
Adam is 2 and Brian is 4

- E.
Adam is 2 and Brian is 8

- 4.Solve the following equations:
- A.
(a) x = 2 (b) x = 2

- B.
(a) x = 1 (b) x = 2

- C.
(a) x = 2 (b) x = 1

- D.
(a) x = 1.5 (b) x = 1.6

- E.
(a) x = 1.6 (b) x = 2

- 5.Tickets for a movie cost $5 for adults and $3.50 for children. A total of 70 tickets were sold and $281 collected. How many adults and children went to the movie?
- A.
Adults = 24 children = 46

- B.
Adults = 20 children = 50

- C.
Adults = 22 children = 48

- D.
Adults = 25 children = 45

- E.
Adults = 23 children = 47

- 6.Two sides of a rectangle are 12 cm and 5 cm. What is the length of the diagonal?
- 7.An ice cream cone consists of a wafer cone that is 7 cm high and has a diameter at its widest part of 6 cm. A hemisphere of ice cream is placed on top of the cone. What is the approximate volume of the cone and ice cream together? Note:
- A.
78.5 cm cube

- B.
135 cm cube

- C.
22 cm cube

- D.
56.5 cm cube

- E.
98 cm cube

- 8.The graph below shows two lines. What are the equations of line 1 and line 2?
- A.
Line 1: y = 2x + 3 Line 2: 4y = -3x + 1

- B.
Line 1: y = -2x + 3 Line 2: 4y = 3x + 4

- C.
Line 1: y = -2x + 3 Line 2: y = 3x + 4

- D.
Line 1: y = x + 3 Line 2: y = (3x + 1)/4

- E.
Line 1: y = -2x + 4 Line 2: y = 3x + 4

- 9.What are the missing values of y in the table below: Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
- A.
9, 3, 12

- B.
-7, 3, 12

- C.
8, 4, 11

- D.
7, 3, 12

- E.
7, 4, 12

- 10.At a price of $x Jim can sell (4x - 20) toy cars. Jim earned a total of $96 selling cars. (a) How many cars did he sell? (b) What was the price of each car?
- A.
(a) 12 cars (b) $8

- B.
(a) 8 cars (b) $12

- C.
(a) 24 cars (b) $4

- D.
(a) 4 cars (b) $24

- E.
(a) 9 cars (b) $12

- 11.A = {odd numbers between 0 and 20 inclusive} B = {even numbers between 0 and 20 inclusive} (a) How many numbers are in (b) How many numbers are in (c) How many numbers are in
- A.
(a) 20 (b) 10 (c) 1

- B.
(a) 20 (b) 0 (c) 0

- C.
(a) 20 (b) 10 (c) 1

- D.
(a) 10 (b) 10 (c) 0

- E.
(a) 10 (b) 10 (c) 1

- 12.The table below shows the number of goals scored by players in a football competition. 6 teams competed, and each team had 11 players. (a) Find the value of x and y given that y = 2x (b) Find the mean number of goals scored by players who scored at least 1 goal. Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
- A.
(a) x = 3 y = 6 (b) 2.5

- B.
(a) x = 2 y = 4 (b) 2

- C.
(a) x = 2 y = 4 (b) 2.5

- D.
(a) x = 3 y = 6 (b) 2

- E.
(a) x = 3 y = 6 (b) 3

- 13.A box contains 5 blue and 15 red balls. Andy picked a ball from the box without looking inside. (a) What is the probability of him picking a red ball? (b) What is the probability of him picking a blue ball? (c) If 5 red balls are removed from the box and Andy then randomly picks one of the remaining balls, what is the probability of it being red?
- A.
(a) 2/5 (b) 3/5 (c) 2/3

- B.
(a) 3/4 (b) 1/4 (c) 2/3

- C.
(a) 1/4 (b) 3/4 (c) 2/3

- D.
(a) 3/4 (b) 1/4 (c) 1/2

- E.
(a) 3/4 (b) 1/4 (c) 1/3