Three of the following four number-pairs are alike in a certain way and one is different. Find the odd one out.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e 24 : 529
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Check the options: 1) 25 : 676 252 + (25 x 2 + 1) = 676 2) 21 : 484 212 + (21 x 2 + 1) = 484 3) 24 : 529 242 + (24 x 2 + 1) = 625 This is the incorrect match. Hence, this is the odd one out. 4) 30: 961 302 + (30 x 2 + 1) = 961 Hence, option 3 is the correct answer. |