IMSU Mathematics 2014/2015 Past Questions

If 2x + y = 20, find the value of y when x = 7

A man bought second - hand photocopy machine for N34,000. He serviced it at a cost of N2,000 and then sold it at a profit of 15%. What was the selling price?

Express 123456 to 3 significant figures

Calculate simple interest on N7500 for 8 years at 5% per annum.

A bookseller sells mathematics and English books. If 30 customers buy mathematics books, 20 customers buy English books and 10 customers buy the two books, how many customers has he altogether?

Find the probability that a number picked at random from the set {43,44,45, ... ,60} is a prime number.

Ralia has 7 different posters to be hung in her room, living room and kitchen. Assuming she has plans to place at least a poster in each of the 3 rooms, how many choices does she have?