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Let the fourth proportion be x. 816: 226: 408: x 816×x =226×408 x =226×408/816 =113 The fourth proportion is 113.
Pipe A can fill the empty tank in 25 minutes while pipe B can empty the half-filled same tank in 15 minutes. What is the time require to fill (80/3) % o...
Two taps A and B can fill a cistern in 12 min and 16 min respectively. If both taps are opened together and at the end of 4 min, B tap is turned off, th...
There are two pipes A & B, pipe A is for filling the swimming pool and pipe B is to empty the swimming pool. Capacity of swimming pool is 15120 m 3...
Pipe A can empty a completely filled tank in 40 hours. Pipe B and A together can fill an empty tank completely in (z+4) hours. The efficiency of pipe B ...
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 +...
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,...
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...
Tap A and tap B can fill a tank in 20 hours and 25 hours respectively. If both the taps are opened together,then find the time after which tap B must be...
Two inlet pipes M and N alone can fill a tank in 12 hours and 15 hours respectively and an outlet pipe P alone can empty the whole tank in 10 hours. Fir...
