WBJEE 2015 Physics Solved Paper

A cylinder of height h is filled with water and is kept on a block of height h/2. The level of water in the cylinder is keptconstant. Four holes numbered 1,2,3 and 4 are at the side of the cylinder and at heights 0, h/4 and 3h/4 respectively.When all four holes are opened together, the hole from which water will reach farthest distance on the plane PQ is thehole no.