A, B and C can finish a work in 10, 12 and 15 days
respectively. If B stops after 2 days, how long would
it take A and C to finish the remaining work?
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Answer:
Step-by-step explanation:
Consider W as the work. So
10 days of A = 12 days of B = 15 days of C = W
B has worked for 4 days. So he has compoeted 4/12 or 1/3 of W
C has worked for 3 days. So he has completed 3/15 or 1/5 of W
A has worked for 4 days so far. So he has completed 4/10 or 2/5 of W
Total work completed = (2/5 + 1/5 + 1/3)W
= 14/15W
Balance work to be completed = W-14/15W
ie 1/15 W
A completes work W in 10 days
Si he will take 1/5*10 to complete balance work
Which is = 1/3 day
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