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The correct answer is D
A boy is supposed to distribute Rs.3600 among his three friends P, Q and R in the ratio of 3:2:5 respectively, but mistakenly he distributed in the rati...
Two inlet pipes M and N alone can fill a tank in 10 hours and 12 hours respectively and an outlet pipe P alone can empty the whole tank in 8 hours. Firs...
A tank can be filled by two pipes, A and B, in 15 minutes and 20 minutes, respectively. Both pipes are opened together, but after 5 minutes, pipe A is c...
Two pipes A and B can fill a tank in 24 minutes and 36 minutes, respectively. If both pipes are opened simultaneously, but B is turned off after 12 minu...
The work done by a man, a woman and a child are in the ratio of 4 :3: 1. There are 15 men, 20 women and 30 children in a factory. Their weekly wages amo...
Pipe ‘A’ takes 10 minutes to fill a tank. Pipe ‘B’ takes 20 minutes to empty the same tank. If pipe ‘B’ is opened 4 ...
There are 4 inlet and (y-3) outlet pipes attached to a tank. Each inlet pipe takes 30 hours to fill the tank, and each outlet pipe empties the fully fil...
Pipe A and Pipe B together can fill the tank in 20 hours. The capacity of the pipe A is 40% of the capacity of the pipe B. How much time will pipe B alo...
Pipe A can fill a tank in 6 hours, and Pipe B can fill it in 8 hours. Pipe C can empty the tank in 10 hours. If all three pipes are opened simultaneousl...
Pipe ‘A’ can fill a tank in 25 hours while pipe ‘B’ can empty it in 30 hours. They were operated on alternate hours starting with pipe ‘A’. ...
