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Speed of boat in upstream = 10 km/hr Speed in downstream = 15 km/hr Speed of boat in still water = 12.5 km/hr Required total distance= 12.5 × 8 = 100 km
A does 2/5 of a work in 9 days. Then B joined him and they together completed the remaining work in 6 days. B alone can finish the whole work in
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X can do a piece of work in 36 days. He worked at it for 6 days and then Y finished it in 20 days. In how many days can X and Y together finish the work...
X, Y and E can do piece of work in 24, 30 and 40 days respectively. All three began to work together but X and Y left 6 and 8 days respectively before c...
‘A’ can do a piece of work in 10 days. ‘B’ can do 80% of the same work in 20 days. If they work together for the entire time and get paid Rs.140...
Deepak and Deepti with each other can complete a work in 60 days, Deepti and Danny in 90 days and Deepak and Danny in 90 days. In how many days can De...
Akhil and Nikhil together can complete a work in 9 days while Nikhil alone takes 12 days to complete 50% of the work. If the efficiency of Sachin is 20%...
A and B together can complete a piece of work in 32 days while A alone can complete 40% of the work in 32 days. Find the time taken by B to compl...
Working alone, B can complete the work in 30 days. C is twice as efficient as B and A takes 3 days more than it takes C to complete the work. Working to...
