Mathematics Past Questions and Answers

Marks	1	2	3	4	5
Frequency	2y - 2	y - 1	3y - 4	3 - y	6 - 2y

The table above is the distribution of data with mean equals to 3. Find the value of y.

In the circle above, with centre O and radius 7 cm. Find the length of the arc AB, when < AOB = 57°.

Find the values of x for which
\(\frac {x+2}{4}\) - \(\frac{2x - 3}{3}\) < 4

A trader realises 10x - x\(^2\) Naira profit from the sale of x bags of corn. How many bags will give him the maximum profit?

If y = 23\(_{five}\) + 101\(_{three}\) , find y, leaving your answer in base two