Mathematics — 2004

If the set A = {1, 2, 3, 4, 5} and the set B = {2, 4, 6}, find the number of members in the set A U B .

How many faces has a cuboid?

Evaluate 0.036 0.02

The angle formed by one complete revolution is equivalent to

If the set P = {1, 2, 3, 4, 5} which of the following statements best describes P ?

Which of the following numbers is the next prime number greater than 23 ?

Simplify -35 – (-15) + (-30)

Write 78910 correct to the nearest thousand.

Simplify 2 10 x 3 2 3 6 x 2 8

Which of the following inequalities is represented on the number line below?

Factorize completely the expression 4 xy - 16 x + 10 y – 40.

What is the image of 2 in the mapping x → 2x + 5?

Simplify 3 a 2 b 3 × 4 a 3 b .

Find the solution set of 2 x + 1 < 5 in the domain {-1, 0, 1, 2, 3}.

Find the highest common factor (HCF) of 48, 60 and 96.

P = {odd numbers between 20 and 30} and Q = {23, 29}. Which of the following is true ?

Find the rule for the following mapping:

If a = ( 2 4 ) and b = ( -3 2 ) , find 2 a - b .

Find the value of x in the polygon below

An article costs ₵60,000.00. The price was increased by 10%. Find the new price.

Solve for x in the equation 15 – 2 x = 6

The population of Ghana was 5,000,000 in 1957. The population in 1998 was estimated to be 17,000,000. Find the percentage increase in population from 1957 to 1998.

The angles of a triangle are in the ratio 3 : 2 : 1. Find the value of the smallest angle.

Find the least common multiple (LCM) of 4, 6 and 10

Convert 134 five to a base ten numeral

A circle has radius 7cm; find its area.

Simplify 1 2 - 2 3 + 3 4

Solve for x , if 1 2 x - 4 x > 20

Which of the following is equivalent to 2 2 × 6 3 ?

The volume of water in a rectangular tank is 30 cm 3 .The length of the tank is 5 cm and its breadth is 2 cm. Calculate the depth of water in the tank.

The following temperatures in oC were recorded in 10 cities in Europe; -4, 5, 2, 0, -6, -4, 3, -6, -4, 7.

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?

If n 2 + 4 = 40, find n .

An angle which is more than 90° but less than 180° is

Arrange the following fractions in ascending order: 4 1 4 , 4 1 2 , 4 1 3

Prices of items in a shop were reduced by 10% during a reduction sale. If a customer bought an electric fan for ₵81,000.00, what was its original price?

The marks scored by 8 pupils in a science test are: 3, 7, 8, 8, 5, 4, 8, 4.

The marks scored by 8 pupils in a science test are: 3, 7, 8, 8, 5, 4, 8, 4.

If y = k + ax 2 , find y when k = 14 5 , a = 4 5 and x = 2.

Which of the following dimensions of a triangle form the sides of a right angled triangle?