isi-entrance 2013 Q3

isi-entrance · India 4 marks Number Theory Properties of Integer Sequences and Digit Analysis

The last digit of $( 2004 ) ^ { 5 }$ is
(A) 4
(B) 8
(C) 6
(D) 2

(A). As $2004 = 2000 + 4$, the last digits of $( 2004 ) ^ { 5 }$ and $4 ^ { 5 }$ are equal.

The last digit of $( 2004 ) ^ { 5 }$ is\\
(A) 4\\
(B) 8\\
(C) 6\\
(D) 2