Pipes and Cistern - Quantitative Aptitude (MCQ) questions for Q. 29486

Q.  Pipe R can empty a full tank in 30 hours. But two pipes P and Q can fill a tank in 15 hours and 10 hours respectively. Ram unknowingly opened all three taps. After 2 hours Shyam realized it and closed Pipe R. Due to this mistake how much time more would it take to fill the tank?
- Published on 03 May 17

a. 18 minutes
b. 24 minutes
c. 1 hour 20 minutes
d. 2 hours 15 minutes

ANSWER: 24 minutes
pipes and cisterns

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