Mathematics Past Questions and Answers

How many three-digit numbers can be formed from 32564 without repeating any of the digits?

The mean of a set of six numbers is 60. If the mean of the first five is 50, find the sixth number in the set.

Calculate the mean deviation of the set of numbers 7, 3, 14, 9, 7, and 8.

In the diagram above , XZ is the diameter of the circle XZW, with center O and radius 15/2 cm. If XY = 12 cm, find the area of the triangle XYZ

The venn diagram above shows the numbers of students offering music and history in a class of 80 students. If a student is picked at random from the class, what is the probability that he offers Music only?