Staff Selection Commission Quantitative Aptitude — Question 351

Question

If a:b = 2:3 and b:c = 4:5, then a:c = ?

1. 8:15
2. 2:5
3. 3:5
4. 4:15

Correct answer

A — 8:15

Explanation (English)

a:b = 2:3, b:c = 4:5. a:b:c = 8:12:15. So a:c = 8:15

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