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A and B can complete a piece of work in 12 days and 15 days respectively. They start working together, but after 4 days, A leaves. In how many more days...
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....
A group of 21 boys, each working 6 hours a day, complete a school project in 15 days. How many days will it take for 18 boys, wor...
A and B can do a job in 20 days and 30 days, respectively. A and B work together for 5 days, and then A leaves. After how many more days will B complete...
P’s 5 days work is equal to Q’s 7 days work. If P and Q together can complete the work in 20 days then how much time Q will take to complete 75% of ...
. If 3 goats or 5 sheep can graze a field in 56 days, then in how many days can 6 goats and 10 sheep graze the same field?
126 unit of work can be completed by P alone in 21 days. P started working alone and joined by Q after 10 days such that they completed the remaining wo...
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...
A and B can do a work in 24 days and 32 days, respectively. If A works on it for ‘x’ days and B works on it for ‘x – 1’ days, then one-third o...
Mike and Jenny alone can complete a task in 24 days and 40 days respectively. They aim to finish the work in 'd' days. What percentage increase in Jenny...