1

Set 5: Percentages

Explanation

Answer: A

What is 30% of 140?

A.

42

✓ Correct
B.

32

C.

21

D.

52

Detailed Explanation

Choice A is correct. To find a percentage: 1. Convert: 30% = 0.3 Multiply: 0.3 × 140 = 42 Therefore, 30% of 140 is 42.

Key Steps:

The correct answer is 42

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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