x^4 when divided by 6, will provide as reminder (here x is prime number)
OPtion
1) 1
2) 2
3) 3
4) 4
5) 5
6) 6
7) 7
8) two answers are possible
9) three answers are possible
10) none of these
Solution
2^4 when divided by 6 will provide reminder as 4
3^4 when divided by 6 will provide reminder as 3
for all others reminder will be 1
so three answers are possible