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Quantitative Aptitude

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Work and Time

Question
21 out of 25
 

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
E None of These

Ans. B

24x = 72 + 21x

3x = 72

X = 24

A – 6 day 4 unit

B – 8 day 3 unit

C – 24 day 1 unit

So

Work and Time Flashcard List

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