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Recent questions tagged pipe-cisterns
1
answer
1
vote
GATE Mechanical 2019 Set 2 | GA Question: 7
Two pipes $P$ and $Q$ can fill a tank in $6$ hours and $9$ hours respectively, while a third pipe $R$ can empty the tank in $12$ hours. Initially, $P$ and $R$ are open for $4$ hours, Then $P$ is closed and $Q$ is opened. After $6$ more hours $R$ is closed. The total time taken to fill the tank (in hours) is ____ $13.50$ $14.50$ $15.50$ $16.50$
Arjun
asked
in
Quantitative Aptitude
Feb 9, 2019
by
Arjun
27.4k
points
gateme-2019-set2
numerical-ability
work-time
pipe-cisterns
0
answers
0
votes
GATE Mechanical 2014 Set 2 | GA Question: 10
It takes $30$ minutes to empty a half-full tank by draining it at a constant rate. It is decided to simultaneously pump water into the half-full tank while draining it. What is the rate at which water has to be pumped in so that it gets ... $4$ times the draining rate $3$ times the draining rate $2.5$ times the draining rate $2$ times the draining rate
Arjun
asked
in
Quantitative Aptitude
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set2
numerical-ability
work-time
pipe-cisterns
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