Question 46

Select the option in which the numbers are related in the same way as are the numbers in the given set.
(15, 556, 331)

The logic here is

$$556-331=225=15^2$$ $$\longrightarrow\ $$ $$\text{second number}-\text{third number}=\text{first number}^2$$

Similarly,

$$159-78=81=9^2$$ $$\longrightarrow\ $$ $$\text{second number}-\text{third number}=\text{first number}^2$$

$$\therefore\ $$(9, 159, 78) are related in the same way as (15, 556, 331) are related.

Hence, the correct answer is Option A

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