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Total capacity = 120 units (LCM of 10, 12 and 8) Efficiency of pipe M = 120/10 = 12 units/hr Efficiency of pipe N = 120/12 = 10 units/hr Efficiency of pipe P = 120/-8 = -15 units/hr Capacity of tank filled by pipe M in 5 hours = 12 × 5 = 60 units Capacity of tank emptied by pipe P in 2 hours = -15 × 2 = -30 units Capacity of tank left for pipe N = 120 – 60 – (-30) = 90 units Time taken by pipe N to fill the remaining tank = 90/10 = 9 hrs Total time taken = 5 + 2 + 9 = 16 hrs
Pipe ‘X’ alone can fill a tank in 20 hours. When pipe ‘X’ and ‘Y’ are opened together, they can fill 60% of the same tank in 6 hours. Find t...
Two inlet pipes M and N alone can fill a tank in 15 hours and 18 hours respectively and an outlet pipe P alone can empty the whole tank in 10 hours. Fir...
Pipe A can fill a tank in 10 hours, while Pipe B can fill it in 15 hours. Pipe C can empty the tank in 12 hours. If all three pipes are opened together,...
The efficiency of pipe R is 60% more than the efficiency of pipe S. Pipe Q alone can fill 30% of the empty tank in 6 hours. Pipe R alone can fill an emp...
Pipe ‘A’ can fill a tank in 14 hours whereas pipe ‘B’ can empty it in 28 hours. If both pipes are opened together while pipe ‘B’ is closed a...
Pipes A and B can fill an empty tank in 20 hours and 24 hours, respectively, while pipe C can drain the full tank in "x" hours. If all three pipes (A, B...
Two pipes, A and B, can fill a tank in 12 hours and 15 hours, respectively. Pipe A is open for 6 hours and then pipe B is also opened. After how much ti...
If a tank can be filled by a tap in 12 hours, but due to an outlet, it actually takes 6 hours longer to fill the tank, find the duration in which the ou...
There are 16 taps which are fitted in a tank .In which some are inlet pipes and some are Outlet pipes .Each inlet tap has the efficiency to fill the ...
An inlet pipe can fill a tank in 18 minutes, while an outlet pipe can empty it in 27 minutes. Sujata starts the inlet pipe at 6 a.m., but the outlet pip...
