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A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?

A. Rs. 375
B. Rs. 400
C. Rs. 600
D. Rs. 800
asked in Quantitative Aptitude by (48 points) 2 2 4
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1 Answer

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C's 1 day's work =

1/3−(1/6+1/8)=(1/3−7/24)=1/24

A:B:C=1/6:1/8:1/24=4:3:1

C′sShare=1/8∗3200=400
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