Pipes and Cistern - Quantitative Aptitude (MCQ) questions for Q. 28616

Q.  A tank has three taps P, Q and R. Taps P and Q can fill the tank in 1.5 and 2 hours, respectively. Tap R can empty the completely filled tank in just half hour. Tap P is opened at 8 am, tap Q is opened at 9am and tap R is opened at 10 am. At what exact time will the tank be empty?
- Published on 17 Mar 17

a. 12 pm
b. 1.25 pm
c. 12.12 pm
d. 12.28 pm

ANSWER: 12.12 pm
 
pipes and cisterns

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