Question

A and B together can do a piece of work in 12 days, B and C together in 15 days. If A is twice as good a workman as C, then in how many days will B alone do it?​

Answer 1

Answer:

Answer:

let total work 60

efficiency of A and B 5

B and C is 4

ratio of A and C is 2:1

then arange efficiency of all like A=2 B=3C=1

A complete d in 60/2 =30days

Answer 2

Answer:

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Step-by-step explanation:

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