Exams › SSC CGL (Prelims) › General
Four number-pairs are given; three share a common relationship and one does not. Find the odd pair. Options: 12:432, 13:506, 8:192, 7:147.
- 12 : 432
- 13 : 506
- 8 : 192
- 7 : 147
Correct answer: 13 : 506
Solution
The pattern is n^2 * 3: 7^2*3=147, 8^2*3=192, 12^2*3=432. For 13: 13^2*3=507, not 506. So 13:506 breaks the pattern and is the odd one out.
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