Staff Selection Commission Quantitative Aptitude — Question 346

Question

If 15% of a number is 45, what is 40% of that number?

1. 100
2. 120
3. 130
4. 140

Correct answer

B — 120

Explanation (English)

15% = 45, so 100% = 300. Therefore 40% of 300 = 120

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