Mathematics Past Questions and Answers

Marks	1	2	3	4	5
Frequency	2	2	8	4	4

The table above show the marks obtained in a given test.
How many student took the test?

Rationalize \(\frac{2 - \sqrt5}{3 - \sqrt5}\)

If x varies directly as square root of y and x = 81 when y = 9, Find x when y = 1\(\frac{7}{9}\)

If r varies inversely as the square root of s and t, how does s vary with r and t?

In the diagram given, find the value of x.