Set 3: Percentages

Explanation

Answer: A

A town's population was 210. It increased by 20%. What is the new population?

252

✓ Correct

126

262

242

Detailed Explanation

Choice A is correct. 1. Original: 210 Increase: 20% × 210 = 42 New value: 210 + 42 = 252 Therefore, the new population is 252.

Key Steps:

•

The correct answer is 252

Why others are wrong:

B: This would give an incorrect result. Choice B 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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