Find the unit digit of 4198 + 612345 + 34866 + 2411 + 1.
Correct Answer: Option C
Given that, \(4^{198}+6^{12345}+348^{66}+24^{11}+1\)
Now Power Cycle of
4 is 4, 6
6 is 6
8 is 8, 4, 2, 6
1 is 1
\(4^{198}\) 198 is even number , So the unit digit value is 6
\(6^{12345}\) - It is always 6
\(348^{66}\) - 66/4 the remainder is 2 , So the second value is 4
\(24^{11}\) - 11 is odd number, So the unit digit value is 4
1 - It is always 1
Total = 21
Therefore, The unit digit is 1
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