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A takes 8 days and B 12 days for a job. With C's help they finish it in 3 days and are paid Rs 2,400. What is C's share?

Class 8Sharing Work and WagesDirect and Inverse Proportions

ARs 600
BRs 800
CRs 1,000
DRs 900

Step-by-Step Solution

In 3 days A does

\frac{3}{8}

, B does

\frac{3}{12} = \frac{1}{4}

, so C does

1 - \frac{3}{8} - \frac{2}{8} = \frac{3}{8}

. C gets

\frac{3}{8} \times 2400 = 900

.

Answer: D) Rs 900

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