Question

show that the cryptharithm 4*AB=CAB does not have any solution

Answer 1

You can substitute values
and I m Jananjai

Answer 2

Answer:

0 is the only unit digit number, which gives the same 0 at the unit digit when multiplied by 4 . ... And if A, B and C become 0, these numbers cannot be of two - digit or three - digit. Therefore, both will become a one - digit number. Thus, there is no solution possible.