Mathematics Past Questions and Answers

The letters of the word "MATRICULATION" are cut and put into a box. find the probability that a vowel would be drawn.

Given the following set of marks: 30,34,43,47,75,54,62,59 and 67. calculate the standard deviation

A sum of money invested at 5% per annum simple interest amount to #285.20 after 3 years, How long will it take the same sum to amount to #434.00 at 7.5% per annum simple interest?

Give that x/(x-1) + 5/(x+2)= P/(x-1) + Q/(x-1) where P and Q are constant, find the value of (P+Q)

If X= {1,2,3,4} and Y = {3,5,6} , the elements of (XnY)UX are