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Last Digit (Posted on 2004-01-23) Difficulty: 3 of 5
Find the last digit of summation of the series:
(1)^99 + (2)^99 + (3)^99 + (4)^99 + + (98)^99 + (99)^99

See The Solution Submitted by Ravi Raja    
Rating: 2.4000 (5 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): solution | Comment 5 of 19 |
(In reply to re: solution by Charlie)

THE RESULT IS STILL ZERO AND ALL I WROTE IS CORRECT EXCEPT THE CYCLE BEING FOUR AND NOT FIVE i.e. 99=3 mod 4.
being a newcomer to the site I do not know how to edit my solution and so I post this comment

ady
  Posted by Ady TZIDON on 2004-01-23 10:21:36

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