What will be the reminder when (13^13+13) is divided by 14? Choose the correct choice from the following answers
A) 16  B) 14  C) 12  D) 18  E) 21

Rationale: ( x ^ n + 1 ) will be divisible by ( x + 1 ) only when n is odd ; ( 13 ^ 13 + 1 ) will be divisible by ( 13 + 1 ) ; ( 13 ^ 13 + 1 ) + 12 when divided by 14 will give 12 as remainder . correct option : c
Answer: C