Mathematics Past Questions and Answers

The area of a circle is 38.5cm². Find its diameter [take \(\pi = \frac{22}{7}\)]

Find the volume (in cm\(^3\)) of the solid shown above

Solve the equation 3 + 5x - 2x² = 0

If the simple interest on N2000 after 9 months is N60, at what rate per annum is the interest charged?

(a) Evaluate and express your answer in standard form : \(\frac{4.56 \times 3.6}{0.12}\)
(b) Without using mathematical tables or calculator, evaluate \((73.8)^{2} - (26.2)^{2}\).
(c) Simplify \(\sqrt{1\frac{19}{81}}\), expressing your answer in the form \(\frac{a}{b}\) where a and b are positive integers.