Q: Two pipes 'P' and 'Q' together can fill a tank in 4 hrs. When both the pipes are opened individually then Q takes 6 hours more as compared to P to fill the tank. P alone can fill the tank in how much time?
A.
5 hours
B.
6 hours
C.
8 hours
D.
7 hours
Correct Answer:
Option B -
Explanations:
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