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Q: Two pipes A and B can fill a tank in 16 hrs and 12 hrs respectively. The capacity of the tank is 240 liters. Both the pipes are opened simultaneously and closed after 2 hrs. How much more water need to fill the tank?

A. 70 lit
B. 170 lit
C. 90 lit
D. 190 lit
Answer» C. 90 lit


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