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Monthly incomes of twa persons are in th...

Monthly incomes of twa persons are in the ratio 5 : 4 and their expenditures are in the ratio 9 : 7, If each saves 500 per month, then what are their monthly incomes ?

A

`4000 : 3200`

B

`3500:2800`

C

`5000:4000`

D

`4500:3600`

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The correct Answer is:
C
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