List of top Physics Questions on The gravitational constant

If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which of the following is not correct ?
SI unit of gravitational constant (G) is :
A physical quantity of the dimensions of length that can be formed out of c, G and \(\frac {e^2}{4πε_0}\) is
[c is velocity of light, G is universal constant of gravitation and e is charge]