Mathematics — 1993

Expand (2 a + b ) ( a + 2 b )

Find the missing number in the following binary operation:

If x = {1, 3, 5, 7, 9, 11, 13, 15}, find the truth set of x – 3 ≥ 10.

Which of these has the least number of lines of symmetry?

Find 2 1 2 % of ₵2,000.00

Find the highest common factor of 18, 36 and 120.

Arrange the fractions 3 4 , 2 3 , 3 5 in ascending order.

Make b the subject of the relation 1 a = 1 b + c

A man has three children whose ages are 9 years, 12 years and 24 years. Find the ratio of their ages.

Ten students in Kwamekrom JSS took 9 days to weed the school compound. How long would 15 students take to weed the compound if they worked at the same rate?

Which of the following inequalities is / are true ?

Find the image of P in the mapping below:

A car travelled a distance of 50 km in an hour. What distance did it travel in 30 minutes at the same speed?

In an enlargement, the area of the object was multiplied by 144 to get the area of the image. Find the scale factor of the enlargement.

Mr. Yevu saved ₵2,500.00 at a simple interest rate of 25% per annum for 4 years. Calculate the interest he earned on his savings.

The table below gives the number of goals scored by a football team in a league season:

The table below gives the number of goals scored by a football team in a league season:

The table below gives the number of goals scored by a football team in a league season:

The probability of obtaining a head when a coin is tossed is 1 3 . What is the probability of obtaining a tail?

Given that a = ( -2 3 ) and b = ( 2 -5 ) , find a + 2 b .

Find in base ten the value of 4 in 143 five .

If the interior angle of a regular polygon is 120°, how many sides does it have?

Simplify ( 3 1 2 + 7 ) ÷ ( 4 1 3 - 3 )

Find the solution set of n - 2 3 > 1 3 - n .

In the diagram below, | AE | = | ED | = | DC | = | CE |.

Five times a number is four more than the number. Find the number.

A basket contains 450 oranges, if each orange costs ₵15.00, find the total cost of the oranges.

A bottle of soft drink costs ₵200.00. The commission paid on one bottle is 2% of the cost price. Find the commission paid on 24 bottles of the soft drink.

If 9 21 is equivalent to 1 + x 7 , find the value of x .

Write 39.975 km correct to three significant figures.

Find x , if 1 x + 1 3 = 1

The bearing of Aboku from Bebeka is 055°. What is the bearing of Bebeka from Aboku?

The dimensions of the rectangle are given in base two. Find its perimeter.

In the diagram, ABCD is a parallelogram; BC and AF are straight lines. Angle ABC = 110° and angle DEF = 40°. Find the angle marked θ.

In the diagram below AC // DF . Angle CBT is 40° and angle DET is 140°

In the diagram below, the angle of elevation of K from M is

In the diagram below, ACD is an isosceles triangle in which | AD | = | AC | and DC is parallel to BE , find the value of the angle marked x .

Three girls Ama, Adjoa and Abena measured the length of the sides of 3 right-angled triangles as follows: