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Find the unit digit of 4198 + 612345 + 34866 + 2411 + 1.

Correct Answer: 1

Explanation:

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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