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A and B working together, can do a piece...

A and B working together, can do a piece of work in `4(1)/(2)` hours. B and C working together can do it in 3 hours. C and A working together can do it in `2(1)/(4)` hours. All of them begin the work at the same time. Find how much time they will take to finish the piece of work.

A

3 hours

B

2 hours

C

2.5 hours

D

1 hours

Text Solution

Verified by Experts

The correct Answer is:
B
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ADDA247-TIME AND WORK & PIPE AND CISTERN -MAINS QUESTIONS
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