Question
Which of the following cannot be a valid Email
ID?Solution
The correct answer is C
- Pipe C can fill a tank in 10 hours and pipe D in 15 hours. If both the pipes are opened in an empty tank, how much time will they take to fill it?
A cistern has a leak that can empty it in 12 hours. A tap is turned on, which fills water at the rate of 15 liters per hour. Now, the cistern gets empti...
Pipe A and Pipe B together can fill the tank in 15 hours. The capacity of the pipe A is 20% of the capacity of the pipe B. How much time will pipe B alo...
Tap P can fill a tank in 18 hours, while tap Q can do it in 9 hours. If taps P, Q, and R are opened at the same time, how long will it take to fill the ...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 8 hours while pipe ‘C’ takes 50 hours to empty it. ...
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...
A tank can be filled by two pipes, A and B, in 15 minutes and 20 minutes, respectively. Both pipes are opened together, but after 5 minutes, pipe A is c...
- A pipe can fill a tank in 36 minutes while another pipe can drain the full tank in 48 minutes. Calculate how much time both pipes working together will tak...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 8) hours. If the efficiency of pipe B is triple of pipe A and pipe A fill...
- Pipe 'A' is twice as efficient as pipe 'B'. Pipe 'C', which is one-third as efficient as pipe 'B', can fill a tank alone in 27 hours. Find difference betwe...
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