EC > GATE 2014 SET-2 > Numerical Ability
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 fully filled in 10 minutes?
A
4 times the draining rate
B
3 times the draining rate
C
2.5 times the draining rate
D
2 times the draining rate

Correct : a

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pumping water into tank half full tank fully filled in 10 minutes GATE EC 2014 tank draining rate water pumping rate GATE electrical 10 minute tank filling 30 minute draining rate

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