Question
If you want to improve the ability to observe in
children, which of the following would you recommend?Solution
The mind consist of 'Faculties' such as memory, observation, perception, reasoning, will, judgment, etc.
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 ...
A tank is filled by two pipes A and B in 12 minutes and 15 minutes, respectively. Another pipe C can empty the tank in 10 minutes. If all three pipes ar...
If a tank can be filled by a tap in 12 hours, but due to an outlet, it actually takes 8 hours longer to fill the tank, find the duration in which the ou...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 6 hours while pipe ‘C’ takes 34 hours to empty it. ...
Two inlet pipes 'A' and 'B' can fill an empty tank in 36 minutes and 48 minutes, respectively. Another outlet pipe 'C' can empty the tank in 144 minutes...
Pipe ‘A’ can fill a tank in 22 hours while pipe ‘B’ can empty it in 25 hours. They were operated on alternate hours starting with pipe ‘A’. ...
If a tank can be filled by a tap in 10 hours, but due to an outlet, it actually takes 5 hours longer to fill the tank, find the duration in which the o...
Pipe ‘A’ takes 25 minutes to fill a tank. Pipe ‘B’ takes 40 minutes to empty the same tank. If pipe ‘B’ is opened 16 minutes after pipe ‘A...
Pipe ‘M’ and pipe ‘N’ together can fill an empty tank in 30 hours while pipe ‘N’ and pipe ‘O’ together take 20 hours to fill the same ta...
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...
