UNIZIK Mathematics 2009/2010 Day 2 Past Questions

In one and half hours, the minute hand of a clock rotates through an angle of

A group of 14 children received the following scores in a reading test: 35, 35, 26, 26,26 29, 29, 12, 25, 25, 25, 25, 17. What was the median score?

By selling an article for N45.00 a man makes a profit of 8%. For how much should he hav sold it in order to make a profit of 32%?

Seven (7) pupils of average age 12 years leave a class of 25 pupils of average age 14 years. 6 new pupils of averages 11 years join the class, what is the average age of the pupils now the class?

A school girl spend 1/4 of her pocket money on books and 1/3 on dresses. What fraction remains?

Each interior angle of a rectangular polygon is 108°. How many sides has it?

Find, correct to two decimal places, the mean of: 9, 13, 16, 17, 19, 23, 24.

A boy walks 800m in 20 minutes. Calculate his average speed in km per hour.

The sides of two cubes are in the ratio of 2:5 . What is the ratio of their volumes?

A man bought 220 mangoes at NSx. He sold each for 3x kobo and made a gain of N8.00. the value of x.