Mathematics Past Questions

Find the value of $110111_2 + 10100_2$

A woman bought a grinder for ₦60,000. She sold it at a loss of $15\%$. How much did she sell it?

Express the product of $0.00043$ and $2000$ in standard form

A man donates $10\%$ of his monthly net earnings to his church. If it amounts to ₦4,500, what is his net monthly income?

If $\log 7.5 = 0.8751$, evaluate $2\log 75 + \log 750$

Solve for $x$ in $8x^{-2} = \frac{2}{25}$

Evaluate $\log_2 8 + \log_2 16 - \log_2 4$

If $P = \{1, 2, 3, 4, 5\}$ and $P \cup Q = \{1, 2, 3, 4, 5, 6, 7\}$, list the elements in $Q$

If $gt^2 - k - w = 0$, make $g$ the subject of the formula

Factorize $2y^2 - 15xy + 18x^2$

Find the value of $k$ if $y - 1$ is a factor of $y^3 + 4y^2 + ky - 6$

$y$ varies directly as $w^2$. When $y = 8$, $w = 2$. Find $y$ when $w = 3$