Question
Two pipes G and H can fill a cistern in 40 minutes and 50 minutes respectively. If both are opened together, after how many minutes should pipe G be shut off so that pipe H alone can finish filling the cistern in 5 minutes?
Pipe G should be closed after 20 minutes.More Pipes and cisterns Questions
- Two pipes, A and B, can independently fill the tank in 20 minutes and 25 minutes respectively, while pipe C can empty 7 gallons from the tank in 5 minutes....
- Pipe ‘A’ can fill a tank in 12 hours whereas pipe ‘B’ can empty it in 30 hours. If both pipes are opened together while pipe ‘B’ is closed after 5 hours, t...
- Tap 'A' can fill a tank 'X' in 16 minutes while it takes 24 minutes when there is a leakage tank 'Y'. If tap 'B' is 33(1/3)% less efficient than tap 'A', t...
- 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) % of t...
- There was a leakage in the petrol tank. If 5litre of petrol is leaked out per day then it would have lasted for 30 days. If the leakage was 7litre per day,...
- Pipe ‘A’ can fill a 210-litre tank in 21 hours. If pipe ‘A’ is 25% more efficient than pipe ‘C’ whereas pipe ‘B’ is 50% more efficient than pipe ‘C’, then ...
- 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, then ...
- Pipe A alone and pipe C alone can fill the empty tank in 50% less time and 25% less time respectively than the time taken by pipe B to empty the full tank....
- Pipe 'A' is 3 times as efficient as pipe 'B'. Pipe 'C', which is one-third as efficient as pipe 'B', can fill a tank alone in 36 hours. Find difference bet...
- Time taken by ‘A’ to fill a tank, which is 40% empty, is 20 minutes, while time taken by ‘B’ to fill the same tank, when it is 25% full, is 30 minutes. On ...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
