Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Two pipes A and B can fill a cistern in 37.5 minutes and 45 minutes respectively. Both the pipes are opened. The cistern will be filled in just half an hour, if the the pipe B is turned off after: | |
A. | 5 min [Wrong Answer] |
B. | 9 min [Correct Answer] |
C. | 10 min [Wrong Answer] |
D. | 15 min [Wrong Answer] |