Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the odd one.
Answer & explanation
Correct answer: option 3
182 : 13 → 132 + 13 = 182
156 : 12 → 122 + 12 = 156
309 : 17 → 172 + 17 = 306 ≠ 309 (odd)
132 : 11 → 112 + 11 = 132