Question
Download Solution PDFA, B and C together can complete a work in 5 days. A and B together can complete the same work in 6 days. C alone can finish the same work in how many days?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
A, B and C together can complete a work in 5 days.
A and B together can complete the same work in 6 days.
Concept used:
Efficiency = (Total work / Total time taken)
Efficiency = work done in a single day.
Calculation:
Let total work is 1
A, B and C together can complete in 1 day is 1 / 5 part
A and B together can do in 1 day 1 / 6 part
So, C can do in one day ,
(A, B and C together can complete in 1 day - A and B together can do in 1 day )
1 / 5 - 1/ 6
⇒
⇒ 1 / 30
∴ C can do the total work in 30 days
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