Find the relativistic momentum of an electron and proton accelerated through a potential of 10*10e6 Volts

Question

10.5MeV/c , 137.4MeV/c
10.5MeV/c , 13.74MeV/c
105MeV/c , 13.74MeV/c
105MeV/c , 1.37MeV/c
None of the above

Answer 1

10.5Mev/c,137.4MeV/c

Answer 2

10