Discussion :: Time and Work
- A can do a piece of work in 40 days; B can do the same in 30 days. A started alone but left the work after 10 days, then B worked at it for 10 days. C finished the remaining work in 10 days. C alone can do the whole work in?
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Answer : Option A
Explanation :
10/40 + 10/30 + 10/x = 1
x = 24 days
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