Exams › SSC CGL (Prelims) › General

If 30% of \((A + B)\) = 60% of \((A - B)\), then find the ratio \(A:B\).

1. 1:3
2. 3:1
3. 2:3
4. 3:2

Correct answer: 3:1

Solution

Given 30% of \((A+B)\) equals 60% of \((A-B)\), we get \(0.3(A+B)=0.6(A-B)\). Solving this equation gives \(A=3B\), so the ratio is \(3:1\).

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