Glycrein of density `1.25 times 10^3 kg m6(-3)` is flowing through the conical section of pipe.THe area of cross-section of the pipeat its end are `10 cm^(2)` and `5 cm^(2)` and pressure drop across its length is ``3 Nm^(-2)` . the rate of flow of glycerin through the pipe is `x times 10^(-5)m^(3) s^(-1)` .The value of x is ______.