Question 8

# In the following question, select the related number from the given alternatives.11 : 121 :: 18 : ?

Solution

The logic here is

11$$^2$$ = 121 $$\longrightarrow\$$ $$\text{first number}^2=\text{second number}$$

Similarly,

18$$^2$$ = 324

$$\therefore\$$18 is related to 324 in the same way 11 is related to 121.

Hence, the correct answer is Option A