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Four pairs of numbers have been given, out of which three are alike in some manner, while one is different. Choose out the odd one.

A18 : 306

B13 : 182

C23 : 552

D25 : 650

Answer:

A. 18 : 306

Read Explanation:

18 : 306 → 18 : 18^2 - 18 13 : 182 → 13 : 13^2 + 13 23 : 552 → 23 : 23^2 + 23 25 : 650 → 25 : 25^2 + 25


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