Find the variance of a group of data whose standard deviation is 12.34 to the nearest whole number.

The ratio of men to women in a 20-member committee is 3:1. How many women must be added to the committee to make the ratio of men to women 3:2?

Which of the following is a measure of central tendency?

y is inversely proportional to x and y = 4, when x = 12 1 2 , find x when y = 10

Find the angle subtended by an arc 33cm long of a circle of diameter 28cm.

Solve 16x x = 0.25

Evaluate the determinant of the matrix M = ⎡⎣⎢32−14136−15⎤⎦⎥

Find the amount if simple interest is paid yearly at 5% per annum for 3 years, on a principal of # 200,000.00

If p * q = 2p + pq + q, find p when ( p * 2) - (p * 1) = 40