The remainder obtained when $(19^{103} + 19^{2})$ is divided by 20 is

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Solution

The correct option is A
0

$(19^{103} + 19^{2}) = 19^{2} (19^{101} + 1) (19^{101} + 1) i s d i v i s i b l e b y 20 [(x^{n} + 1) w i l l b e d i v i s i b l e b y (x + 1) w h e n n i s o d d .)]$

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