A and B can finish a task in 6 and 10 days respectively . A began to work and worked at it for 2 days . He was then joined by B . Find the total time taken to complete the work.
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Step-by-step explanation:
A's one day work = 1/6
B's one day work= 1/10
A did the work for 2 days so , 1/6×2=1/3
Now he was joined by B
A's 2 day work + B's work = 1/3+1/10= 10+3/30
13/30
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