Question

A and b together can complete a piece of work in 72 days while B and C together can complete the work 56days if A,Band C worked on it for 38days 45days and 42days then find the time taken by a

Answer 1

Answer:

A and b together can complete a piece of work in 72 days while B and C together can complete the work 56days if A,Band C worked on it for 38days 45days and 42days then find the time taken by a

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

AB 72*7

BC 56*9

LCM 504

38*7+7*9+35C =504

C=5

B=4

A=3

So,

504/3 =168

Ans 168