A and B can do a piece of work in 16 days, B and C can do it in 20 days A and C do it is 32 days. In how many days will A, B and C finishes it, working together and separately?

Options
- 150 days
- 160 days
- 170 days
- None

CORRECT ANSWER : None

Discussion Board
Answer

A+B=16 (1 day work =1/16)
C+B=20 (1 day work =1/20)
A+C=32 (1 day work =1/32)
Adding above three equations, we get;
2(A+B+C)=1/16 + 1/20 + 1/32
A+B+C=23/320(1 day work)
A+B+C take 320/23 days to complete the work together.
option (d)

Subranshu Adhikari 10-26-2022 02:58 AM

ANswer

NOne

320/23

john wick 05-30-2021 06:58 AM

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