Exams › SSC CGL (Prelims) › General
Three of the four number-pairs below share a common mathematical relationship. Identify the pair that does NOT follow the same pattern.
- 11 : 132
- 18 : 342
- 17 : 307
- 14 : 210
Correct answer: 17 : 307
Solution
The pattern is n : n x (n+1). 12x13=156, 18x19=342, 14x15=210 — all fit. 17x18=306, not 307, so 17:307 breaks the pattern.
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