Last 3 Digits
Number Theory
Level
2
8+88+888+8888+....upto 24terms What will be the last 3 digits of the above sum?
The answer is 632.
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1 solution
8 + 8 8 + 2 2 × 8 8 8 ≡ 6 3 2 ( m o d 1 0 0 0 )