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A and B can finish a piece of work in 20 days and 30 days respectively. Both work on alternate days. In how many days will the work be completed when A ...
A, B, and C are hired to complete a task. A and B together can finish the work in 12 days, B and C together in 15 days, and A and C together in 20 days....
Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be clo...
Person A can complete a certain task in 20 days, while person B can finish the same task in x days. Together, they can complete the task in 12 days. Det...
A robot can finish a task as quickly as two humans, 'E' and 'F', together. If human 'E' can finish the task in 8 hours and human 'F' in 24 hours, how lo...
A and B can complete a work in 12 days and 16 days, respectively. They start working together, but after 4 days, A leaves the work. C joins B, and they ...
Naina and Kalpana working together can do a piece of work in 10 days, whereas Naina alone can do it in 12 days. In how many days can Kalpana do it alone?
18 skilled workers can complete a task in 12 days while 24 semi-skilled workers need 15 days to complete the same task. 12 skilled workers started the t...
Machine X is 100% more efficient than Machine Y, and Machine Y is 75% more efficient than Machine Z. Machines X and Z, working together, can complete a ...
