1. 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

1

2. 2.5 hours

2

3. 3 hours

3

4. 3.5 hours

4

5. None of these

5
Answer
Comments