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Ratio of the earnings of A and B is 4: 7...

Ratio of the earnings of A and B is 4: 7. If the earnings of A increased by 50% and those of B decreased by 25%, the new ratio of their earnings becomes 8: 7. What are A's earning ?

A

Rs.26,000

B

Rs.28,000

C

Rs. 21,000

D

Data insufficient

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D
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