Three pipe P, Q and R can fill a tank in 12 minutes, 18 minutesand 24 minutes respectively. The pipe R is closed 12 minutesbefore the tank is filled. In what time the tank is full?
A) 8 (5/13) hrs B) 8 (4/13) hrs C) 7 (4/13) hrs D) 8 (6/13) hrs
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Answer:
Three pipe P, Q and R can fill a tank in 12 minutes, 18 minutesand 24 minutes respectively. The pipe R is closed 12 minutesbefore the tank is filled. In what time the tank is full?
Step-by-step explanation:
A) 8 (5/13) hrs
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