Mathematics Practice Test – Percentages, Profit and Loss, Simple Interest (Questions with Answers and Explanations)

A trader bought 100 tubers of yam at 5 for N350.00. She sold them in sets of 4 for N290.00. Find her gain percent. (WASSCE 2008)

A woman was credited N 900 after 2 years of depositing a sum of money into a bank at the rate of 5% per annum, the amount deposited was ______ (JAMB 2020)

A man bought 220 mangoes at N 5x. He sold each for 3x kobo and made a gain of N 8. Find the value of x. (WASSCE 2005)

The salary of a man was increased in the ratio 40:47. Calculate the percentage increase in the salary. (WASSCE 2005)

A man made a loss of 15% when he sold an article for N 510. The original price of the article is _______ (JAMB 2019)