Question
The sum of integers from 113 to 113113 which are
divisible by 7 is :Solution
The correct answer is B
A and B can fill a tank in 14 and 21 hours. Pipe C can empty it in ‘x’ hours. All three open together fill the tank in 7 hours. Find x.
Time taken by pipe 'A' to fill a tank is 40 minutes. When both pipes 'A' and 'B' are opened together, the tank gets filled in 20 minutes. Find the time...
Pipe ‘A’ takes 24 hours to fill a tank. Pipe ‘B’ takes 72 hours to empty the same tank. If both are opened together, how long will it take to fi...
A tank has two inlet pipes, A and B, which can fill the tank in 6 hours and 8 hours, respectively, and an outlet pipe C, which can empty the tank in 12 ...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 18 minutes and 16 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
Time taken by pipe 'A' to fill a tank is 50 minutes. When both pipes 'A' and 'B' are opened together, the tank gets filled in 25 minutes. Find the time ...
Pipe 'A' alone takes 30 minutes to fill half of the tank. Pipe 'B' is twice as efficient as pipe 'A'. Find the percentage of the tank filled by both in...
Tap A can fill a tank in 9 hours. Tap B can fill 37.5% part of the same tank in 3 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 2/5 part...
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...
A leak in the bottom of the tank can empty the full tank in 18 hours. An inlet pipe fills water at the rate of 12 liters a minutes. When the tank is ful...
