KUULCHAT
S.H.S MATHEMATICS MOCK

OBJECTIVE TEST

1.

If m : n = 2 : 1, evaluate : 3m2 - 2n2 m2 + mn

A.

3 5

B.

3 4

C.

5 3

D.

4 3

2.

Height (cm) 160 161 162 163 164 165
Number of players 4 6 3 7 8 9

The table shows the heights of thirty-seven players of a basketball team.

Calculate, correct to one decimal place, the mean height of the players.

A.

165.0

B.

163.0

C.

162.0

D.

160.0

3.

The base radius and slant height of a solid cone are 8 cm and 14 cm respectively. Calculate, correct to two decimal places, its volume.

[Take π = 22 7 ]

A.

553.14 cm3

B.

640.87 cm3

C.

838.67 cm3

D.

770.32 cm3

4.

In the diagram PQ is parallel to RS, ∠ QFG = 105° and ∠ FEG = 50°.

Use the diagram to answer the question below

Find the value of m.

A.

55°

B.

75°

C.

105°

D.

130°

5.

In the diagram, p + q = 250o. Find the angle marked s.

A.

70o

B.

110o

C.

290o

D.

250o

6.

Simplify: [( 16 9 ) -3 2 x 16 -3 4 ] 1 3

A.

1 4

B.

3 8

C.

9 16

D.

3 4

7.

y 1 2 3 4
x 0 2 4 6

The table describes the relation y = mx + c where m and c are constants.

Use the information to answer the question below

Find the equation of the line described in the table.

A.

y = 2x

B.

2y = x + 2

C.

y = x

D.

y = x + 1

8.

Evaluate : 2 28 - 3 50 + 72

A.

4 7 + 2

B.

4 7 - 9 2

C.

4 7 - 11 2

D.

4 7 - 21 2

9.

The total surface area of a solid cylinder is 165 cm2. If the base diameter is 7 cm, calculate its height.

[Take π = 22 7 ]

A.

2.0 cm

B.

4.0 cm

C.

4.5 cm

D.

7.5 cm

10.

In the diagram, YT is a straight line, |XY| = |YZ|, |XZ| = |ZT| and ∠ XYZ = 52°.

Calculate ∠ZTX.

A.

24°

B.

32°

C.

40°

D.

64°

11.

Find the value of (x + y) in the diagram.

A.

215°

B.

145°

C.

135°

D.

70°

12.

Two times a number added to one-third of the number gives 5 1 6 . Find the number.

A.

2 2 7

B.

2 3 14

C.

2 1 7

D.

2 1 14

13.

If A = 1 2 b(a + b), make a the subject of the relation.

A.

a = b - 2A b

B.

a = 2A b - b

C.

a = 2A b + b

D.

a = b 2A - b

14.

Which of the following is not a sufficient condition for two triangles to be congruent?

A.

AAS

B.

SSS

C.

SAS

D.

SSA

15.

What is the coefficient of x in the expansion of (4x2 + 3x - 1)(3x + 1)?

A.

-1

B.

0

C.

1

D.

2

16.

Solve: x - 2 4 - 2x - 4 3 = 5 6 .

A.

x = 0

B.

x = 5

C.

x = 4

D.

x = 2

17.

In the diagram, O is the centre of the circle. If ∠ NLM = 74°, ∠ LMN = 39° and ∠ LOM = x, find the value of x.

A.

106°

B.

113°

C.

126°

D.

134°

18.

Which of the following statements is false?

A.

In a circle, equal chords subtend equal angles at the centre

B.

The length of an arc is proportional to the angle subtended by the arc at the centre of the circle

C.

The circumference of a circle is directly proportional to its diameter

D.

The angle between the tangent to a circle and its radius is complementary

19.

The graph of y = x2 + 4x - 6 is drawn and a linear graph is drawn on the axes such that the intersection of the two graphs gives the solution to the equation x2 + 4x - 7 = 0. Find the equation for the linear graph.

A.

x = 1

B.

x = -1

C.

y = 1

D.

y = 1

20.

If 2 (x - 3) - 3 (x - 2) = p (x - 3)((x - 2) , find p.

A.

-(5x - 13)

B.

(13 - x)

C.

(5 - x)

D.

-(x + 5)

21.

The first of a Geometric Progression (G.P) is 3 and the 5th term is 48. Find the common ratio.

A.

16

B.

8

C.

4

D.

2

22.

Consider these two statements:

P:n is an odd number;

Q:n is a prime number greater than 2.

Express "If n is not an odd number then n is not a prime number greater than 2" in symbolic form.

A.

~P ∧ ~Q

B.

~P ⇒ Q

C.

P ⇒ ~Q

D.

~P ⇒ ~Q

23.

If x : y : z = 2 : 3 : 4, evaluate 9x + 3y 6z - 2y .

A.

1.5

B.

2.5

C.

2.0

D.

3.0

24.

A student measured the length of a classroom and obtained 3.99 m which is less than the actual length. If the percentage error was 5%, what was the actual length?

A.

3.80 m

B.

3.78 m

C.

4.18 m

D.

4.20 m

25.

The length of an arc of a circle is 11 cm. If it subtends an angle of 60° at the centre of the circle, calculate the radius of the circle.

[Take π = 22 7 ]

A.

7 cm

B.

7 1 2 cm

C.

10 cm

D.

10 1 2 cm

26.

A man is five times as old as his son. In four years time, the product of their ages would be 340. If the son's age is y, express the product of their ages in terms of y.

A.

5y2 + 24y - 324 = 0

B.

5y2 - 16y - 330 = 0

C.

5y2 + 24y - 308 = 0

D.

5y2 - 16y - 380 = 0

27.

Express the bearing of 312° in compass direction form.

A.

S 48° W

B.

N 48° W

C.

S 48° E

D.

N 48° E

28.

If 16 x 2(x + 1) = 4x x 8(1 − x), find the value of x.

A.

-4

B.

4

C.

1

D.

-1

29.

In the diagram, O is the centre of the circle, PQ and RS are tangents to the circle.

Find the value of (m + n).

A.

60°

B.

75°

C.

90°

D.

120°

30.

The gradient of the line passing through the points (3, 6) and (x, 4) is - 2 5 . Find the value of x.

A.

3

B.

8

C.

6

D.

5

31.

In the diagram, O is the centre of the circle. SOQ is a diameter and ∠ SRP = 37°.

Find ∠ PSQ.

A.

37°

B.

53°

C.

65°

D.

127°

32.

A building is 12 m high. A football on the ground floor s 30 m away from the foot of the building.

Find, correct to the nearest degree, the angle of depression of the ball from the top of the building.

A.

22°

B.

68°

C.

66°

D.

24°

33.

The bar chart represents the distribution of marks scored by students in a Mathematics test.

Use the chart to answer the question below

Find the probability that a student selected at random obtained the median mark.

A.

16 25

B.

3 5

C.

9 35

D.

2 9

34.

A cylindrical container closed at both ends has a radius of 3 cm and height of 4 cm.

What is the total surface area of the container?

[Take π = 22 7 ]

A.

103.7 cm2

B.

132.0 cm2

C.

125.7 cm2

D.

113.1 cm2

35.

Describe the locus, l in the diagram.

A.

Locus of points equidistant from x and z.

B.

Locus of points equidistant from x and y.

C.

Locus of points equidistant from xy and zy.

D.

Locus of points equidistant from zx and zy.

36.

Given that p2 + q2 + r2 = 50, p = 5 and q = 2, find the positive value of r.

A.

5

B.

3

C.

4

D.

2

37.

Solve the equation: t - 9 5 = -1 1 15

A.

t = 3 5

B.

t = 11 15

C.

t = 4 5

D.

t = 13 15

38.

Find the equation of the graph in the diagram.

A.

y = 2 - x - x2

B.

y = 2 - x + x2

C.

y = 2 + x - x2

D.

y = 2 + x + x2

39.

The points O(0, 0), P(4, -1) and Q(1, -4) are the vertices of ∆OPQ.

What kind of triangle is ∆OPQ?

A.

Equilateral

B.

Isosceles

C.

Right-angled

D.

Scalene

40.

y 1 2 3 4
x 0 2 4 6

The table describes the relation y = mx + c where m and c are constants.

Use the information to answer the question below

What is the gradient of the equation of the line?

A.

1 2

B.

-2

C.

2

D.

1

41.

A woman received a discount of 20% on a piece of cloth she purchased from a shop. If she paid $ 525.00, what was the original price?

A.

$616.25

B.

$656.25

C.

$660.25

D.

$675.25

42.

If y varies inversely as x and y = 6 when x = 3, find y when x = 9

A.

4

B.

3

C.

2

D.

1

43.

Given that one of the roots of the equation 2x2 + (k + 2)x + k = 0 is 2, find the value of k

A.

-4

B.

-2

C.

-1

D.

- 1 4

44.

For what value of x is 4 - 2x x + 1 undefined?

A.

-2

B.

-1

C.

1

D.

2

45.

Express 0.0063075 correct to three significant figures.

A.

0.006

B.

0.0063

C.

0.00631

D.

0.0060

46.

A car moves at an average speed of 30 kmh-1. How long does it take to cover 200 metres?

A.

2.4 seconds

B.

24 seconds

C.

144 seconds

D.

240 seconds

47.

In triangle XYZ, |XY| = 8 cm and Z is equidistant from X and Y.

If Z is 5 cm from X, find the area of the triangle.

A.

24 cm2

B.

18 cm2

C.

12 cm2

D.

10 cm2

48.

An amount of ₦ 550,000.00 was realized when a principal, x was saved at 2% simple interest for 5 years. Find the value of x.

A.

₦ 500,000.00

B.

₦ 490,000.00

C.

₦ 480,000.00

D.

₦ 470,000.00

49.

Simplify: 2 7 - 14 7 + 7 21

A.

21 3

B.

3 21

C.

721 3

D.

21 21

50.

Simplify: (11two)2

A.

1001two

B.

1101two

C.

101two

D.

10001two

THEORY QUESTIONS

1.

Solve:

(a)

1 2 (4x - 6) - 1 3 (5 - 4x) ≥ 8.

(b)

the simultaneous equations:

3 x - 4 y = 1 3 ,

2 x - 5 y = 1.

2.

(a)

Using ruler and a pair of compasses only, construct:

(i)

the quadrilateral ABCD such that |AB| = 6.5 cm, |BC| = 9 cm, |AD| = 4 cm, ∠ ABC = 60° and ∠ BAD = 120°;

(ii)

the perpendicular bisectors of BC and CD.

(b)

Locate the point of intersection, T, of the two bisectors in (a(ii).

(c)

With the point T in (b) as centre, draw a circle to pass through the vertices B, C and D.

(d)

Measure:

(i)

|BT|;

(ii)

|CD|.

3.

(a)

In the diagram IJKL are points on a circle such that ∠ JIL = 3y and ∠ KML = 2y.

If ∠ KLM = 55°, find the value of y.

(b)

Given that tan x = 1, 0° ≤ x ≤ 90°, evaluate 1 - sin2x cos x .

4.

(a)

Copy and complete the table of values for y = cos x - 3 sin x, 0° ≤ x ≤ 180°.

x 20° 40° 60° 80° 100° 120° 140° 160° 180°
y 1.0 -2.1 -2.0

(b)

Using a scale of 2 cm to 20° on the x axis and 4 cm to 1 unit on the y axis, draw the graph of y = cos x - 3 sin x, 0° ≤ x ≤ 180°.

(c)

Using the graph, find the:

(i)

truth set of 2 + cos x = 3 sin x;

(ii)

range of values of x for which y increases as x increases;

(iii)

minimum point of the curve.

5.
Age (years) 7 8 9 10 11 12
Number of children 2x 3x 4x - 1 x x - 2 x - 3

The table shows the ages in years of 42 children at a birthday party.

(a)

Find the value of x

(b)

Calculate, correct to the nearest whole number, the mean age.

(c)

Find the probability of selecting at random a child whose age is not less than 9 years.

6.

(a)

The ratio of cars to motorcycles sold at a garage is 5 : 7. If a dealer sold 142 more motorcycles than cars in a particular month, find the number of each type of vehicle sold.

(b)

The probabilities of an athlete winning two independent events are 3 5 and 2 9 .

Find the probabilities of winning:

(i)

only one event;

(ii)

none of the events.