The population of a village is 5,000. It increases by 20% annually. What will be the population after 2 years? MCQ with Answer and Explanation

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The population of a village is 5,000. It increases by 20% annually. What will be the population after 2 years?

A. 7000

B. 6000

C. 7200

D. 7400

Answer: Option C

Solution (By JKSSB Mock Tests)

Population = 5000 * (1.20)^2 = 5000 * 1.44 = 7200.

This question belongs to: Maths Percentage

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A man's income is Rs. 25000. He spends 40% on food, 30% on rent, 20% on other items and saves the rest. By what percent should he reduce his food expenditure to increase his savings by 20%?

A. 5%

B. 6%

C. 7%

D. 4%

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Correct Answer: Option A

Explanation:
Present savings = 10% of 25000 = 2500. New savings = 3000. Reduction in food = 500. Food = 10000, % reduction = (500/10000)×100 = 5%.

This question belongs to: Maths Percentage