A number is first increased by 20% and then the result is decreased by 25%. What is the net percentage change in the number?

A. 5% decrease

B. 5% increase

C. 10% decrease

D. 10% increase

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc chsl Save WhatsApp Report

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Answer: C. 10% decrease

Answer: (C) 10% decrease

Let the number be 100. After +20%: 120. After −25%: \(120 \times 0.75 = 90\). Net change = 10% decrease. (Formula: \(20 - 25 - \frac{20 \times 25}{100} = -10\%\).)

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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A number is first increased by 20% and then the result is decreased by 25%. What is the net percentage change in the number?

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