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P can finish a work in 25 days and Q can do the same work in 20 days. Q worked for 8 days and left the job. In how many days, P alone can f…

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P can finish a work in 25 days and Q can do the same work in 20 days. Q worked for 8 days and left the job. In how many days, P alone can finish the remaining work?
  • A5 days
  • B10 days
  • C15 days
  • D17 days
Correct answer: C
0
CCommunity
15 days

NA
0
CCommunity
15 days
0
CCommunity
15 days
0
CCommunity
Total work is 100

And P's efficiency is 4 and Q's efficiency is 5, so Q works for only 8 days then his total work is 40, so the remaining work out of total work is 60, this remaining work 60 was done by P with the efficiency of 4, so he takes 15 days to complete remaining work