n-1 is divisible by 5 if n is of the form
(1) 5K
(2) 5K + 1
(3) 5K - 1
(4) 2K
Answers
Answered by
0
Answer:
5k+1 (2)........................
Answered by
0
Answer:
(2) 5K + 1 is the answer.
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