Q:
Three of the following four are alike in a certain way and hence form a group. Which is the one that does not belong to that group?
Answer & Explanation
Answer: A) 75
Explanation: Except 75 , all other numbers have two factors.
115 = 5 x 23
95 = 5 x 19
85 = 5 x 17
75 = 3 x 5 x 5
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