Which of the given statement is false ?

The value of  $\mathrm{g}$ is $9.8 \mathrm{m}/{\mathrm{s}}^2$ everywhere on the surface of the earth

The value of $\mathrm{g}$  is greater at the poles than the equator.

The value of $\mathrm{g}$ is greater at the equator than the poles
 

both (a) and (c)