Set 1: Percentages

Explanation

Answer: B

A town's population was 320. It increased by 25%. What is the new population?

410

400

✓ Correct

200

390

Detailed Explanation

Choice B is correct. 1. Original: 320 Increase: 25% × 320 = 80 New value: 320 + 80 = 400 Therefore, the new population is 400.

Key Steps:

•

The correct answer is 400

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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