Question
What should come in place of ? in the given series?
51 53 57 59 ? 65 69Solution
If a tank can be filled by a tap in 14 hours, but due to an outlet, it actually takes 4 hours longer to fill the tank, find the duration in which the ou...
Two inlet pipes M and N alone can fill a tank in 12 hours and 16 hours respectively and an outlet pipe P alone can empty the whole tank in 8 hours. Firs...
Pipe 'C' alone takes 5 more hours to fill the tank than the time taken by pipe 'C' and pipe 'D' together. Find the approximate ti...
Pipes ‘A’ and ‘B’ can fill a tank in 6 hours and 4 hours respectively. When both pipes and an outlet pipe ‘C’ are opened together, (2/5)th o...
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’. ...
Pipes P and Q alone can fill a tank in 6 hours and 3 hours respectively. When both pipes along with pipe R, an outlet pipe, are opened together, 2/5 of ...
Two pipes X and Y can fill a tank in 90 minutes and 60 minutes respectively. A third pipe Z can empty the tank in 2 hours 30 minutes. X is kept closed. ...
Pipe ‘A’ can fill a tank in 30 hours while pipe ‘B’ can empty it in 40 hours. They were operated on alternate hours starting with pipe ‘A’. ...
Pipe A and Pipe B together can fill the tank in 25 hours. The capacity of the pipe A is 20% of the capacity of the pipe B. How much time will pipe B alo...
Pipes A, B, and C are connected to a tank. Pipe A can fill the empty tank in 48 minutes, and Pipe B can do the same in 80 minutes. On the other hand, Pi...
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