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EXIM Bank Officer(Cash)-2011

11. 2 large and 1 small pimps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. How many hours will it take for 3 large and 4 small pumps to fill the tank?

[EXIM Bank Officer(Cash)-2011 : 2011]

1. 2 hours

2. 2.5 hours

3. 3 hours

4. 3.5 hours

5. None of these

Answer