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- Two filling taps P and Q together can fill a tank with rate of 40 lit/min and 60 lit/min respectively in 8 min.
Question 1:
Two filling taps P and Q together can fill a tank with rate of 40 lit/min and 60 lit/min respectively in 8 min. If a waste tap can empty the filled tank in 32 min, thenwhat is the rate of waste tap ?
A. 34 lit/min
B. 25 lit/min
Feedback Given that the waste tap can empty the filled tank in 32 min.
Now, the rate at which the waste tap can empty the tank = (40 + 60)8/32 = 100/4 = 25 lit/min.
Now, the rate at which the waste tap can empty the tank = (40 + 60)8/32 = 100/4 = 25 lit/min.
C. 22 lit/min
D. 18 lit/min
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