Mathematics Past Questions and Answers

Find the smallest value of k such that 2\(^2\) x 3\(^3\) x 5 x k is a perfect square.

Expand the expression(3a - xy)(3a + xy)

Simplify \(\frac{4}{2x} - \frac{2x + x}{x}\)

Two circles have radii 16cm and 23cm. What is the difference between their circumference? take \(\pi = \frac{22}{7}\)

The volume of a cylinder is 1200cm³ and the area of its base is 1500cm². Find the height of the cylinder.