Question 18

In the following question, select the odd number pair from the given alternatives.

Solution

The logic here is

12$$^2$$ + 12 = 156

13$$^2$$ + 13 = 182

14$$^2$$ + 14 = 210

15$$^2$$ + 15 = 240

$$\therefore\$$15 - 230 is the odd number pair among the given number pairs.

Hence, the correct answer is Option D