What will be the reminder when (19^19+19) is divided by 20?	Choose the correct choice from the following.
A) 18 B) 40 C) 21 D) 43 E) 28

Rationale: "( x ^ n + 1 ) will be divisible by ( x + 1 ) only when n is odd ; ( 19 ^ 19 + 1 ) will be divisible by ( 19 + 1 ) ; ( 19 ^ 19 + 1 ) + 18 when divided by 20 will give 18 as remainder . correct option : a"
Answer: A