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Quantitative Aptitude

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The ratio of ...

Question

The ratio of incomes of A and B is 5:4 and the ratio of expenditure is 3:2. If at the end of the year each saves Rs 1600, then the income of B is?

A

1600

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B

3200

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C

2400

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D

4800

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E

none

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Solution

The correct option is B
3200

Let incomes of A and B be 5x and 4x. Expenditure of A and B is 3y and 2y, so equations will be 5x-3y=1600 and 4x-2y=1600. Solving the equation, we will get x=800. So income of B=3200.

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