Question

What is the first non-zero integer from the right in ${2960}^{2960}-{1390}^{2908}$?

• A. 8
• B. 1
• C. 9
• D. none of these

Answer 1

The correct option is C

9

We need not consider ${2960}^{2960}$, as it will end in more number of zeroes.
Last non-zero digit of ${1390}^{2908}$ = Unit digit of ${139}^{2908}=1$.

Answer is (.......00 - .......1) = 9.