A man spends 2/5 of his salary on rent and 1/4 of the remainder on food. What fraction of his salary is left?

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Answer: B. 9/20

After rent, 3/5 is left; food takes ¼ × 3/5 = 3/20; 3/5 − 3/20 = 12/20 − 3/20 = 9/20.

An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.

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