In each of the following two questions two statements are given one labelled as the Assertion(A) or Statement I and the other labelled as the reason (R) or statement II. Examine these statements carefully and mark the correct choice as per following instructions
Assertion (A) - Both 12 g of carbon and 27 g of aluminium will have `6.12xx10^(23)` atoms
Reason (R) - Gram atomic mass of an element contains Avogadro number of atoms
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true
