Set 5: Percentages

Explanation

Answer: B

A town's population was 500. It increased by 20%. What is the new population?

300

600

✓ Correct

610

590

Detailed Explanation

Choice B is correct. 1. Original: 500 Increase: 20% × 500 = 100 New value: 500 + 100 = 600 Therefore, the new population is 600.

Key Steps:

•

The correct answer is 600

Why others are wrong:

A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.

C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.

D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.

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