KUULCHAT
MATHEMATICS MOCK

OBJECTIVE TEST

1.

The table below shows the day and night temperatures of a town during a week. Use it to answer the question below.

Week Temperature (oC)
Day Night
Monday 33 24
Tuesday 29 25
Wednesday 32 23
Thursday 34 26
Friday 32 24
Saturday 30 24
Sunday 30 25

On which day was the change in temperature the least?

A.

Monday

B.

Saturday

C.

Sunday

D.

Tuesday

2.

If 2y = 1-3x2+4x, find y when x = -1

A.

-3

B.

C.

½

D.

3

3.

Express 12/25 in decimal fraction.

A.

0.0408

B.

0.048

C.

0.408

D.

0.48

4.

How many lines of symmetry has a square?

A.

0

B.

1

C.

2

D.

4

5.

Evaluate 0.036 0.02

A.

0.018

B.

0.18

C.

1.8

D.

18.0

6.

The mean of the numbers 4, 3, 3, x is 5, find x

A.

20

B.

10

C.

5

D.

4

E.

3

7.

The marks obtained by 10 children in a mental drill are: 0, 1, 3, 3, 5, 7, 8, 9, 9, 9.

Use this information to answer the question below.

Calculate the mean mark.

A.

–54

B.

5.4

C.

10

D.

54

E.

540

8.

Which of the following fractions is the greatest? 1 6 , 1 4 , 1 2 , 1 3 , 1 5

A.

1 6

B.

1 5

C.

1 4

D.

1 3

E.

1 2

9.

A man was 24 years old when his son was born. Now he is three times as old as his son. Find the age of the son.

A.

6 years

B.

12 years

C.

18 years

D.

36 years

10.

In the diagram, line MN is parallel to line TU, line TS cuts line MN at O and ∠MOS = 115o. Find ∠OTU.

A.

65o

B.

55o

C.

45o

D.

25o

11.

Use the diagram below to answer the question below

Find the value of x.

A.

68o

B.

75o

C.

112o

D.

124o

12.

The diagram above is the net of a

A.

cone.

B.

cuboid.

C.

rectangular prism.

D.

pyramid

13.

Kofi's age in the next ten years will be four times his age five years ago. How old is Kofi now?

A.

5

B.

6

C.

10

D.

15

E.

20

14.

Correct 0.024561 to three significant figures.

A.

0.03

B.

0.025

C.

0.0245

D.

0.0246

15.

A square of side 4 cm is enlarged by a scale factor of 3. Calculate the area of the enlarged square.

A.

36 cm2

B.

72 cm2

C.

96 cm2

D.

144 cm2

16.

A hawker is carrying a basket load of three types of fruits: oranges, mangoes and pears.

If 2 5 of the fruits are oranges and 6 25 mangoes, what percentage of the fruits are pears?

A.

9 %

B.

18 %

C.

64 %

D.

36 %

17.

Find the size of the angle marked f, in the diagram above

A.

56°

B.

72°

C.

108°

D.

128°

18.

If n2 + 1 = 50, find n

A.

7

B.

24.5

C.

25

D.

49

E.

51

19.

Illustrate 3 < x < 5 on the number line, where x ∈ {rational numbers}.

A.

B.

C.

D.

20.

If 4 - x = 3(4x + 5), find the value of x.

A.

11 13

B.

1 6 13

C.

-1 6 13

D.

-11 13

21.

Express 72 as a product of its prime factors.

A.

2 x 33

B.

22 x 32

C.

23 x 3

D.

23 x 32

22.

How many lines of symmetry has a rhombus?

A.

2

B.

3

C.

4

D.

5

23.

Given that P(3,-2) and Q(-2,4) are points in a plane, find the gradient of the line joining P to Q.

A.

-65

B.

65

C.

56

D.

-56

24.

A simple interest of GH₵ 37,500.00 is earned on an amount of GH₵ 500,000.00 for 3 years. Calculate the percentage rate.

A.

20.0 %

B.

10.0 %

C.

5.0 %

D.

2.5 %

25.

In a class of 24 pupils, 10 study French only and 8 study English only. If each pupil studies at least one of the two subjects, how many study English?

A.

12

B.

14

C.

16

D.

18

26.

Convert 25ten to a base two numeral.

A

A.

1000

B.

100111

C.

10101

D.

11001

E.

11100

27.

A shop is rented at GH₵ 9.00 per month. How much money is paid in 1½ years?

A.

GH₵ 162.00

B.

GH₵ 135.00

C.

GH₵ 6.00

D.

GH₵ 13.00

28.

If 2n - 5 = 1 2 n, find the value of n.

A.

1 3

B.

1 2

C.

2 1 2

D.

3 1 3

29.

The least common multiple (L.C.M) of 16, 30 and 36 is

A.

3

B.

6

C.

240

D.

720

30.

Use the information below to answer the question below

In the diagram above, the cylinder has diameter 4 cm and length 14 cm.

[Take π = 22 7 ]

What is the volume of the cylinder?

A.

176 cm3

B.

44 cm3

C.

176 7 cm3

D.

88 7 cm3

E.

44 7 cm3

31.

Evaluate 2 3 (27 - 12) - 6.

A.

4

B.

6

C.

14

D.

16

32.

If 14x = 9ten, find x.

A.

Nine

B.

Eight

C.

Seven

D.

Six

E.

Five

33.

The ratio of the ages of two sisters is 4 : 3. The elder sister is 3 years older than the younger one. How old is the younger sister?

A.

9 years

B.

12 years

C.

15 years

D.

18 years

34.

Use the figure below to answer the question below.

Find the value of x.

A.

20°

B.

30°

C.

40°

D.

50°

35.

Write the number 34.1 in standard form.

A.

3.41 x 10-2

B.

3.41 x 10-1

C.

3.41 x 100

D.

3.41 x 10

36.

Factorize 22ab – 11ac + 6rb – 3rc.

A.

(2b – c) (11a + 3r)

B.

(2b + c) (11a – 3r)

C.

(2bc) (11a – 3r)

D.

(2b + c) (11a + 3r)

37.

Given that 22 x 32 x 7 = 252, find the least number that should be multiplied by 252 to make the product a perfect square.

A.

2

B.

3

C.

6

D.

7

E.

252

38.

Make P the subject of the relation, R = (P+Q) 2

A.

P = Q - 2R

B.

P = 2R - Q

C.

P = 2R + Q

D.

P = 2Q + R

39.

A bag contains 5 red and 7 black balls of the same size. What is the probability of picking a black ball?

A.

B.

C.

D.

40.

In a class of 20 pupils, 8 pupils read Mathematics, 13 read English and 3 read both Mathematics and English.

Use this information to answer the question below.

How many pupils do not read either Mathematics or English?

A.

2

B.

3

C.

5

D.

7

THEORY QUESTIONS

1.

a

The sum of the interior angles of a regular polygon is 900o. Find the number of sides of the polygon.

b

Using a ruler and a pair of compasses only, construct:

i

triangle XYZ such that length XY = 10 cm, angle XYZ = 30o and length YZ = 9 cm;

ii

perpendicular from Z to meet line XY at P;

iii

measure the:

α

length PZ;

β

angle XYZ.

iv

calculate, correct to the nearest whole number, the area of triangle XYZ.

2.

a

Simplify

, leaving the answer in standard form.

b

i)

Make r the subject of the relation

ii)

From (b)(i), find the value of r when y = 3 and x = 10.

c

Juliet bought 1,756 kg of frozen chicken, 675 g of vegetables and 95 g of corn oil from a Shopping Mall. What is the total weight of the items she bought in kilogram?

3.

(a)

Solve the inequality 5x - 3 6 - 2x - 4 4 < 2

(b)

(i)

Copy and complete the table of values for he relation, y = 2x + 1

x -3 -2 -1 0 1 2 3 4
y -5 -3 1 7

(ii)

Using a scale of 2 cm to 1 unit on the x-axis and 2 cm to 2 units on the y-axis, plot the ordered pairs (x, y) on a graph sheet.

(iii)

Use a ruler to join the joints plotted.

(iv)

Use your graph to find

(α)

x when y = 4

(β)

y when x = -2.5

4.

(a)

If 4m - 2(3 + 2m) + m(2m + 4) = 0, find the values of m.

(b)

At a political rally, there were 240 women, 200 men, 160 boys and 120 girls.

(i)

Draw a pie chart to illustrate the information.

(ii)

What percentage of the people at the rally were females?

5.

(a)

Simplify 2a + 4b 3 - 3(a - b) 2

(b)

Solve 5(a – 5) – 1 2 (2a + 6) = 4

(c)

If r = ( 3 1 ) and q = ( -2 1 ) , calculate 6(r + 2q).

6.

(a)

A car runs on the average at 45 km to 5 litres of fuel. Calculate how many litres of fuel are required for a journey of 117 km.

(b)

(i)

Solve for x in the inequality 2 3 (2x + 5) ≤ 8 2 3

(ii)

Illustrate the solution on the number line.

(c)

A factory increased its production by 22 1 2 % and produced 49,000 tonnes. How many tonnes was it producing before?