Mathematics — 2005

Which of the following is not a factor of 18?

Multiply 0.014 by 0.2

Given that A = {b, c, i} and B = {a, e, f, i}, find A ∩ B .

If a = 64 and b = 2 2 , find a b .

Arrange the following numbers from the highest to the lowest: 2 3 , -7, 0.

Simplify 2 2 × 3 2 × 2 3 × 3 4 .

In an examination 40% of the students failed. The number of students that passed was 180. How many students failed?

Evaluate 1 3 [(5 – 1) – (2 – 7)]

If 6 n + 4 = 16, find the value of n .

What is the next term in the following set of numbers: {1, 3, 7, 15, 31, ...} ?

Find the mean of the following set of numbers 10, 12, 14 and 16.

Simplify 3 a 2 × 2 ab × 4 bc

Expand 3 (2 a + 3 b )

Find the area of a circle whose diameter is 28 cm.

In sharing 95 oranges with Dede, Fofo kept 45 of them and shared the rest equally with Dede. How many oranges did Dede get?

If c = b 2 + 4r 2ar , find c when b = 3, r = 4 and a = 5

A woman bought a sewing machine for ₵800,000.00 and sold it for ₵920,000.00. Find the percentage profit

What is the rule for the following mapping?

Find the volume of a cuboid of sides 15 m by 12 m by 3 m.

A bag contains 4 blue and 8 red balls. What is the probability of picking a blue ball at random from the bag?

An equilateral triangle has side 16cm. A square has the same perimeter as the equilateral triangle. What is the area of the square?

Kofi deposited ₵500,000.00 with a bank for 2 years at a rate of 10% per annum. Find the simple interest

Make T the subject of the relation l 2 = 4 π 2 T g

Evaluate 0.54 x 0.7 9

Eric and Ebo are to share an amount of ₵800,000.00 in the ratio 5:3 respectively. What will be Ebo's share?

How many faces has a rectangular pyramid?

The perimeter of a rectangle is 24 cm. If the breadth of the rectangle is 4 cm, find the area of the rectangle.

Factorize 4 ab 2 – 20 ba 2

Solve the equation 2 3 ( x - 3) = 5 6 ( x + 6).

Kofi had 100 mangoes and sold 80 of them. What is the percentage of mangoes left?

Find the median of the following marks: 2, 4, 10, 3, 6, 12.

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

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

Calculate 82.5 ÷ 0.25, expressing the answer in the standard form

The price of a gas cooker costing ₵450,000.00 was increased by 10%. Find its new price.

What is the number of all possible outcomes of tossing a die?

In the diagram, QRS is a triangle. Angle QRS = 50° and angle RST = 120°. Find angle RQS .

If r = ( -2 3 ) and s = ( -4 -1 ) , find r + 2 s .