Pipes and Cistern - Quantitative Aptitude (MCQ) questions for Q. 28178

Q.  3 pipes have diameters 2 cms, 3 cms and 4 cms. The ratio of water flowing through them is equal to ratio of the square of their diameters. The biggest pipe when open alone, can fill the entire pool in just 126 minutes. When all the pipes are opened together, the pool would be filled in how much time?
- Published on 07 Jul 17

a. 2016/29 minutes
b. 2111/126 minutes
c. 215/63 minutes
d. 155 minutes

ANSWER: 2016/29 minutes
 
pipes and cisterns

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