Question
Four number-pairs have been given, out of which three
are alike in some manner and one is different. Select the number-pair that is different.Solution
In all the pairs, second number is prime multiple of first number except for [22: 154]. In 12: 156 → 156 ÷ 12 = 13 In 14: 182 → 182 ÷ 14 = 13 In 18: 234 → 234 ÷ 18 = 13 But in 22: 154 → 154 ÷ 22 = 7
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