Mathematics — 2001

R = {1, 3, 5, 7} and S = {2, 4, 6, 8}. Find R ∪ S .

Find the missing members in the set {5, 10, 15, _ , 25, _ , _ ,40}

What property of addition is defined by ( a + b )+ c = a + ( b + c )?

Find the highest (greatest) common factor of 63 and 81.

Change 124 five to a base ten numeral.

Kofi bought 4 books at an average price of ₵2,500.00. If the total cost of 3 of the books was ₵6,500.00, find the cost of the fourth book.

Find the sum of all even numbers between 70 and 80.

By how much is 5 6 greater than 3 4 ?

Evaluate 0.25 x 0.006, correct to three decimal places

Express 5 8 as a decimal fraction.

The following are the angles formed at the centre of a circle: 30°, 70°, 120°, 2 x and 5 x . Find the value of x .

On a map 1 cm represents 4.5 km. What is the actual distance between two towns which are 4 cm apart on the map?

If 2 y = 6 – 3 x , find y when x = 0

How many lines of symmetry has an isosceles triangle?

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

A point P (3, 4) is rotated through an angle of 90° anticlockwise about the origin O.

Which of the following is not quadrilateral?

Express 2345 in standard form.

Solve the inequality 3( x – 1) ≤ 12

Kofi and Ama shared an amount of money in the ratio 3 : 2 respectively. If Kofi had ₵60,000.00, how much was shared?

Workers are required to pay 4 1 2 % of their salaries into an educational fund. A worker’s salary is ₵120,000.00. How much does he pay into the educational fund?

Araba bought an electric cooker for ₵540,000.00 at a discount of 10%. Find the actual price of the electric cooker.

Given that p 2 + q 2 = p x q , find the value of a , if a = 13 2 + 15 2

A mapping is defined by n → 2 n – 3.

Simplify 4 p + 6 p 2 – 2 p + 2 p 2

Make q the subject of the relation w = n - q q .

Given that E = 1 2 mc 2 , find E when m = 10 and c = 4

Use the information below to answer the question below

Use the information below to answer the question below

Use the information below to answer the question below

Use the graph of the straight line below to answer the question below

Use the graph of the straight line below to answer the question below

State the rule of the following mapping:

The area of a rectangle is 18 cm 2 . One of its sides is 9 cm long. Find its perimeter.

Calculate the area of figure PQRST

In an enlargement with scale factor k , which of the following statements is not true?

If u = ( 1 3 ) and v = ( 4 -2 ) , find 2 u + 3 v .

Which of the following statements best describes the construction below?