Pipes and Cisterns - Data Intensity 1 :: Discussion


21.Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are openeA, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes?
A.11-May
B.11-Jun
C.11-Jul
D.11-Aug
Answer:  Option  B
Explanation:

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Published by:Michael Daani

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