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Time and Work

Kim can do a ...

Question

Kim can do a work in 3 days while David can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is Kim's share?

Rs.30

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Rs.60

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Rs.70

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Rs.75

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None of these

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Solution

The correct option is B
Rs.60

Kim’s wages: David’s wages = Kim’s 1 day’s work: David’s 1 days work

$= \frac{1}{3} : \frac{1}{2} = 2 : 3$

∴ Kim’s share $= R s . (\frac{2}{5} \times 150) = R s .60 .$

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Kim can do a work in 3 days while David can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is Kim's share?

The correct option is B Rs.60 Kim’s wages: David’s wages = Kim’s 1 day’s work: David’s 1 days work =13:12=2:3 ∴ Kim’s share =Rs.(25×150)=Rs.60.

The correct option is B
Rs.60

Kim’s wages: David’s wages = Kim’s 1 day’s work: David’s 1 days work

$= \frac{1}{3} : \frac{1}{2} = 2 : 3$

∴ Kim’s share $= R s . (\frac{2}{5} \times 150) = R s .60 .$