Table: Monthly rainfall in a town, in millimetres — June 250, July 400, August 500, September 350. By what percentage did rainfall fall from August to September?

Correct answer: A. 30%

Decrease = 500 − 350 = 150 mm. Percentage decrease = 150 ÷ 500 × 100 = 30%, based on the earlier month (August). Using September as the base would give the wrong answer.

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Answer and explanation

The correct answer is A. 30%

Decrease = 500 − 350 = 150 mm. Percentage decrease = 150 ÷ 500 × 100 = 30%, based on the earlier month (August). Using September as the base would give the wrong answer.

Topic: Data Interpretation MCQs · Subject: Analytical Ability