Question : Directions: Four number–pairs are given out of which three are alike in a certain way and one is different. Select the number–pair that is different from the rest.
Option 1: 18 : 306
Option 2: 23 : 552
Option 3: 13 : 182
Option 4: 25 : 650
Correct Answer: 18 : 306
Solution : Let's check each option – First option: 18 : 306→18 2 + 18 = 342 Second option: 23 : 552→23 2 + 23 = 552 Third option: 13 : 182→13 2 + 13 = 182 Fourth option: 25 : 650→25 2 + 25 = 650
So, the first option is different from the other three options as here the resultant is 342 instead of 306. Hence, the first option is correct.
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