Mathematics quick practice

Question 1 of 10

Expand (x + 1)(x − 3).

Question 2 of 10

Speed is calculated as

Question 3 of 10

Simple interest on GH₵ 1,000 at 5% per annum for 2 years is

Question 4 of 10

A bag contains 2 red, 6 blue and 3 green balls. A ball is picked at random. Find the probability that it is red.

Question 5 of 10

Find the area of a circle of radius 7 cm (π = 22/7).

Question 6 of 10

Each exterior angle of a regular polygon is 24°. (a) How many sides does the polygon have? (b) Find each interior angle. (c) Find the sum of its interior angles.

Question 7 of 10

Each interior angle of a regular polygon with 6 sides is ___°.

Question 8 of 10

The cost of 5 books is GH¢60. What is the cost of 8 books?

Question 9 of 10

60 km/h for 30 minutes covers 60 km.

Question 10 of 10

Share GH₵ 24 between Esi and Kwame in the ratio 3 : 1. How much does Kwame get?