A tank is filled upto a height h with a liquid and is placed on a platform of height h from the ground. To get maximum range `x_(m)` a small hole is punched at a distance of y from the free surface of the liquid. Then
A. `x_(m) = 2h`
B. `x_(m) = 1.5 h`
C. `y = h`
D. `y = 0.75 h`
