40. A container is filled with liquid upto height H as shown in figure. There are 2 holes in the container 
such that water coming out from them have same range. If the range of water coming out of the holes 
is half of maximum range, then the distance x between these holes is 


$$\begin{gathered} \left(1\right) \frac{\sqrt{5}H}{4} \\ \left(2\right) \frac{\sqrt{3}H}{4} \\ \left(3\right) \frac{2H}{3} \\ \left(4\right) \frac{\sqrt{3}H}{2} \end{gathered}$$