SOLUTION: n this series which number does not belong? 1,51,17,4,101 4 7 101

Question 840380: n this series which number does not belong? 1,51,17,4,101
4
7
101
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
4 because it is the only even number.

17 because it is the only number not congruent to

.

101 because it is the only three-digit number.

That is why these problems are usually garbage.
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