Mathematics — 1990

If P = {7, 9, 13}, Q = {1, 7, 13}. Find P ∩ Q .

In the diagram, Q is the set of numbers inside the circle and T is the set of numbers inside the triangle. Find Q U T .

Given that (23 × 82) × 79 = 148,994, find the exact value of (2.3 × 82) × 7.9

Convert 25 ten to a base two numeral.

If (3.14 × 18) × 17.5 = 3.14 × (3 a × 17.5). Find the value of a .

If 26039 oranges are shared equally among 13 women, how many oranges does each woman receive?

Mr. Mensah withdrew some money from the bank. He gave 1 2 of it to his sons and 1 3 to his daughter. If he had ₵500.00 left, how much did he take from the bank?

Simplify 1 2 (1 1 2 + 3 4 ÷ 1 4 )

If 21 : 2 x = 7 : 10, find x .

X is a point on the line segment AB such that | AB | = 10 cm and | AX | = 4 cm.

In an examination, 60% of the candidates passed. The number that passed was 240. How many candidates failed?

A table which cost ₵2,400.00 to manufacture was sold for ₵3,000.00. Find the profit percent.

If a = 2 2 × 2 3 ÷ 2 4 , find the value of a

The distance between two towns is 12875 km.

The pie chart shows the monthly expenditure of Mr. Awuah whose monthly income is ₵18,000.00.

The pie chart shows the monthly expenditure of Mr. Awuah whose monthly income is ₵18,000.00.

The pie chart shows the monthly expenditure of Mr. Awuah whose monthly income is ₵18,000.00.

Find the missing addend:

Remove the brackets: a – 2( b – 3 c )

Simplify: 2a 3 - a - b 2 .

If q = ut + 1 2 ft , find q when u = 20, t = 10 and f = 15

If 3 15 is equivalent to 45 a , find a

Find the least common multiple of 7, 14 and 18.

In triangle XYZ , | XZ | = 13 cm, | XY | = 12 cm and angle XYZ = 90°. Find | YZ | if the area of the triangle is 30 cm 2 .

Write 1204 five as a number in base ten.

Multiply (2 x + y ) by (2 x – y )

A watchman was paid a basic wage of ₵250.00 a day. If he worked every day in the month, calculate his basic wage for February 1988.

A tank contains 250 litres of water. If 96 litres are used, what percentage of the original quantity is left?

Evaluate 10 ÷ (3 1 2 + 1 1 5 )

A bag contains 24 marbles, 10 of which are blue and the rest green. A boy picks a marble at random from the bag. What is the probability that he picks a green marble?

What is the name of the line segment drawn to join any two points on the circumference of a circle?

Use the mapping below to answer the question below .

Use the mapping below to answer the question below .

The area of a square is 49 cm 2 . Find the perimeter of the square.

The least number in a set of real numbers is 24 and the greatest is 30. Which of the following is the correct interpretation of the statement?

Find the area of the trapezium MNOP .

The length of a field, 1.2 km long is represented on a map by a line 40 mm long. What is the scale of the map?

Simplify ( 2 -3 ) - ( -1 5 )