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The Divine Life Society is a spiritual organsation and an ashram, founded by Swami Sivananda Saraswati in 1936, at Muni Ki Reti, Rishikesh, India.
Pipe X can empty a completely filled tank in 60 hours. Pipe Y and X together can fill an empty tank completely in (z+6) hours. The efficiency of pipe Y ...
Pipe X and Pipe Y can independently fill a tank in 18 minutes and 30 minutes, respectively. However, there is a leakage in the ta...
Pipe ‘A’ can fill 25% of a tank in 3 hours while pipe ‘B’ takes 30 hours to empty fully filled tank. Pipe ‘A’ is opened alone when the tank ...
Pipe ‘A’ can fill a tank in 30 hours whereas leak ‘A’ can empty it in 40 hours. If they both operate along with pipe ‘B’, then the given tan...
Tap P can fill the tank in 5 hours and Tap Q can empty it in 7(1/2) hours. Tap P starts filling and they opened for 1 hour each alternatively. In what t...
There was a leakage in the petrol tank. If 5litre of petrol is leaked out per day then it would have lasted for 30 days. If the leakage was 7litre per d...
An inlet can fill an empty tank in 7 hours whereas an outlet pipe can empty it in 14 hours. If (N - 1) such outlet pipes having same efficiency and (N +...
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...
A single tap takes 8 hours to fill the entire tank. Initially, only one tap is open, and it fills one-fourth of the tank. At that point, three additiona...
Pipes ‘A’ and ‘B’ can fill a tank in 6 hours and 9 hours, respectively. If pipe ‘C’ is opened along with pipes ‘A’ and ‘B’, then the...
