Find The Unit Digit

Find the unit digit of  7105

  1. 5
  2. 7
  3. 9
  4. 1
kishan Default Asked on 29th July 2015 in Maths.
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1 Answer(s)

Answer: (2) 7
Explanation:-
Then, 7105/4
Leaving remainder is 1
Then, 71 = 7
Therefore, the unit digit is 7
Hence, the answer is (2) 7.

Anurag Mishra Professor Answered on 29th July 2015.
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