Mathematics Past Questions and Answers

A woman bought a grinder for N60,000. 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 N4,500, what is his net monthly income?

If log7.5 = 0.8751, evaluate 2 log75 + log750

Solve for x in 8x^-2 = 2/25