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Income of A is 25% more than the income of B. If income of A is increased in the ratio 5 ∶ 6 while the income of B increased in the ratio 4 ∶ 5. Then what percent income of A is more than the income of B?

Income of A is 25% more than the income of B. If income of A is increased in the ratio 5 ∶ 6 while the income of B increased in the ratio 4 ∶ 5. Then what percent income of A is more than the income of B? Correct Answer 20%

Let the income of B be 100x.

Income of A = 100x × (125/100) = 125x

After increment income of A = 125x × 6/5 = 150x

After increment income of B = 100x × 5/4 = 125x

Income of A is more than the income of B by = (150x – 125x/125) × 100 = 20%

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