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Question is wrong
As charge on electron is 4.8 x 10-10 state coulomb
So,
1.6 x 10-19 coulomb = 4.8 x 10-10 state coulomb
1 coulomb = 4.8 x 10-10 /1.6 x 10-19 state coulomb
1 coulomb = 3 x 109 state coulomb