A parallel plate capacitor has plate area 100$m^2$  and plate separation of 10m. The space between the plates is filled upto a thickness 5 m with a material of dielectric constant of 10. The resultant capacitance of the system is  ‘x’  pF The value of  ${\epsilon }_0=8.85\times {10}^{-12}F.m^{-1}$
The value of ‘x’ to the nearest integer is __