1.

Four letter - pairs have been given, out of which three are alike in some manner and one is different. Select the odd one.1. 182 : 132. 156 : 123. 309 : 174. 132 : 11

Answer» Correct Answer - Option 3 : 309 : 17

As shown below, except for 309 : 17, in all other pairs, the first number is the product of the second number and its successor.
13 ×14 = 182
12 × 13 = 156
11 × 12 = 132
17 × 18 = 306

Hence, 309 : 17 is different from the other three.


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