Answer:
0
Explanation:
So, 3,8,13,18,23,28,33,38,43,48,53,58,63,68,73,78,83,88,93,98
Here we need to add all these 20 numbers
As, each one is 5 more than the previous one
So, after we add them we will get = 1,010
Sp the unit digit is 0 (zero)
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