Latest self Aptitude Question SOLUTION: A water tank can be filled by pipe P alone in 30 minutes and by pipe Q alone in 40 minutes. The same tank can be emptied by pipe R in 25 minutes. If all the three pipes are opened

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(#M40007828) SELF question Keep an EYE

A water tank can be filled by pipe P alone in 30 minutes and by pipe Q alone in 40 minutes. The same tank can be emptied by pipe R in 25 minutes. If all the three pipes are opened at the same time, how long will it take to fill the water tank?
a) 90 min
b) 150 min
c) 120 min
d) 60 min
e) None of these

Khushboo Porwal (12 years ago)

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