Mathematics Past Questions and Answers

If 3x\(^o\) 4(mod 5), find the least value of x

Find the inter-quartile range of 1, 3, 4, 5, 8, 9, 10, 11, 12, 14, 16

If x : y = \(\frac{1}{4} : \frac{3}{8}\) and y : z = \(\frac{1}{3} : \frac{4}{9}\), find x : z

Expression 0.612 in the form \(\frac{x}{y}\), where x and y are integers and y \(\neq\) 0

The angle of elevation of the top of a tree from a point 27m away and on the same horizontal ground as the foot of the tree is 30\(^o\). Find the height of the tree.