Mathematics Past Questions and Answers

A trade in country where their currency MONT \((\mathrm{M})\) is in base five bought \(103(\mathrm{~s})\) oranges at \(M 14(\mathrm{~s})\) each. If the sold the oranges at M12, each, what will be his gain?

Simply \(\frac{3 n \times 3 n-4}{3^{3} \times 3^{n} 27 \times 3^{n-1}}\)

P varies directly as the square of \(q\) and Inversely as \(r\). If \(p=36\), when \(\dot{q}=3\) and \(r=p\), find \(p\) when \(q=5\) and \(r=2\)

Factorize \(6 x^{2}-14 x-12\)

An investor who invested N6,500/00 at some simple interest rate collected a total amount of \(\mathrm{N} 7,800.00\) after four years. How much simple interest would he have collected after two years if he had invested \(N 9,000,00\) ?