Mathematics Past Questions and Answers

The distribution by state of 840 students in the Faculty of Science of a Nigerian University in a certain session is as follows:

Bendel	45
kwara	410
Ogun	105
Ondo	126
Oyo	154

In a pie chart drawn to represent this distribution, the angle subtended by Ondo is

How many student took the examination

How many students scored less than 7 marks?

What is the probability that an integer selected from the set of integers (20, 21, ...., 30) is a prime number?

A fair die is rolled once. What is the probability of obtaining a number less than 3?