Mathematics Past Questions and Answers

A man wishes to keep his money in a savings deposit at 25% compound interest so that after three years he can buy a car for N150,000. How much does he need to deposit?

If 314₁₀ - 256₇ = 340_x, find x.

Simplify \(\frac{3(2^{n+1}) - 4(2^{n-1})}{2^{n+1} - 2^n}\)

If \(P344_{6} - 23P2_{6} = 2PP2_{6}\), find the value of the digit P.

A binary operation * is defined by a * b = a\(^b\). If a * 2 = 2 - a, find the possible values of a.