BUK Mathematics 2011/2012 Past Questions

Practice each question, then open it to see the full details.

Express (0.0425 ÷ 2.5) as a fraction

A. 17/1000
B. 17/100
C. 17/25
D. 17/10
E. 17/10

What is log₁₀(6.75 × 10^-3)?

A. 0.842
B. 3.852
C. 3.842
D. 3.977
E. 0.9777

A student found the approximate value of 0.02548 correct to two places of decimal instead of two significant figures. Find the percentage error

A. 0
B. 13 1⁄3
C. 15 3⁄13
D. 16 2⁄3
E. 20%

Solve the equation 2⁄5 (x + 5) = 1⁄4(5x - 3)

A. 1 1⁄2
B. 1 8⁄2
C.2 3/4
D. 4 3⁄4
E. 7

Which of the following equations has its roots as 4 and -5

A. x² + 4x - 20 = 0
B. x² + x + 20 = 0
C. x² + 20 = 0
D. x² + x - 20 = 0
E. x₂ - x - 20 = 0

Solve the equations: 4x - y = 11; 5x + 2y = 4

A. x=6; y=1
B. x=-2; y=-1
C. x=-2; y=3
D. x=2; y=-3
E. x=2; y=3

Calculate the total surface area of a solid cone of slant height 15cm and base radius 8cm in terms of π

A. 64 πcm₂
B. 184 πcm₂
C. 120 πcm₂
D. 200 πcm₂
E. 320 πcm₂

The cross-section of a prism is a right angled triangle 3cm by 4cm by 5cm the height of the prism is 8cm, calculate its volume.

A. 48cm³
B. 60cm³
C. 96cm³
D. 120cm³
E. 240cm³

Find the radius of a circle in which an arc of length 44cm subtends an angle of 200° at the center of the circle. take π = 22⁄7

A. 3.9cm
B. 12.6cm
C. 25.2cm
D. 38.4cm
E. 124.5cm

Divide 3.6721 by 4

A. 0.918
B. 1.418
C. 1.168
D. 1.168
E. 0.19180

Two angle of a triangle are 41°and 49°. which of the following is true? It is

A. an equilateral triangle
B. an isosceles triangle
C. a triangle with an obtuse angle
D. a right angled triangle
E. a right angled isosceles triangle

If two angles are similar, which of the following is true? Their

A. corresponding sides are equal
B. corresponding angles are equal
C. corresponding attitudes are equal
D. areas are equal
E. perimeters are equal

A chord is 5cm from the centre of a circle of diameter 20cm. Find the length of the chord

A. 16cm
B. 18c
C. 24cm
D. 25.51c
E. 51.1cm

The angle of elevation of a point T on a tower from a point U on the horizontal ground is 30°. If TU = 54m, how high is T above the horizontal ground

A. 108
B. 72
C. 46.3
D. 31.2
E. 27m

Express the bearing of 250° as a compass bearing

A. N20°E
B. S20°
C.N20°
D. S70°
E. S70°E

Calculate the standard deviation of the numbers 2, 5, 6, 4 and 8

A.2
B.4
C.6
D.7
E.20

A bag contains 3 white, 6 red and 5 blue identical balls. A ball is picked at random from the bag. What is the probability that the ball picked is either white or blue?

A. 1⁄14
B. 4⁄7
C. 3⁄7
D. 5⁄4
E. 3⁄14