Speed of train = 1500/15 = 100 m/sec Let the speed of the man be ‘s’ m/sec Relative speed of the train = (100 – s) m/sec According to the question, (100 – s) = 1500/50 Or, s = 100 – 30 = 70 Therefore, speed of the man = 70 m/sec
Tap ‘A’ and tap ‘B’ can fill a tank in 45 hours and 35 hours, respectively. If both taps are opened together, then find the time after which tap...
Pipe A and B can fill the pool in 30 minutes and 20 minutes, respectively. Pipe C can empty half filled pool in 30 minutes. If all the pipes are opened ...
Tap A can fill a tank in 8 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 5/8 part...
Tap A can fill a tank in 20 hours and tap B can emptied it is 25 hours. Tap A starts filling and they opened for 1 hour each alternatively in what time...
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 ...
A tank is filled with three pipes A, B, and C. Pipe A takes 18 hr. to fill 60% of the tank and Pipe B takes 8 hr. to fill 40% of the tank. Pipe A and Pi...
Pipe A can fill a tank in 50% less time than it takes pipe B to empty it, while pipe C can fill the same tank in 25% less time than pipe B's emptying du...
Two pipes A and B can fill a tank in 15 hours and 25 hours respectively. If both the pipes are opened simultaneously, in how much time the tank will be ...
Tap A can fill a tank in 10 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 3/7 par...
Pipe X requires 12 hours to fill 2/3 of a tank, whereas pipe Y can empty the entire tank in 24 hours. If both pipes are opened si...
