Subject
Quantitative Aptitude
Topic
Time and Work
Two pipes A and B can fill a cistern in 24 hours and 32 hours respectively. If both pipes are opened simultaneously, find out when the pipe A must be turned off so that the cistern can be filled in exactly 16 hours?
Two pipes A and B can fill a cistern in 24 hours and 32 hours respectively. If both pipes are opened simultaneously, find out when the pipe A must be turned off so that the cistern can be filled in exactly 16 hours?
ক)
14 hrখ)
8 hrগ)
6 hrঘ)
10 hrঙ)
None of theseExplanation
Suppose the first pipe was closed offer x hr. Then, the first pipe was functional for x hours, while second pipe was functional for 16 hours. ⇒ x = 12 hrs Hence, first pipe must be closed after 12 hours to fill the tank in exactly 16 hours.Related questions
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