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Robin can do a work alone in 9 days. Amit can do the same work alone in 6 days. Both of them finish the work together and they get a total Rs. 2500. What is the share (in Rs.) of Robin?

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Robin can do a work alone in 9 days. Amit can do the same work alone in 6 days. Both of them finish the work together and they get a total Rs. 2500. What is the share (in Rs.) of Robin?
1). 1700
2). 1200
3). 1500
4). 1000


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1 answers

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Answered by on | Votes 0 |

Robin’s 1 day work = 1/9

Amit’s 1 day work = 1/6

When they work together, they received Rs. 2500

? Ratio of wages = Ratio of work efficiencies

⇒ Robin’s share? Amit’s share = (1/9) ? (1/6) = 6 ? 9 = 2 ? 3

Sum of ratios = 2 + 3 = 5

∴ Robin’s share = 2/5 × 2500 = Rs. 1000

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