Question 4

Select the related word/letters/number from the given alternatives.

81 : 121 : : 49 : ?

Solution

Expression = 81 : 121 : : 49 : ?

The pattern followed is = $$(x)^2:(x+2)^2$$

Eg :- $$9^2:(9+2)^2=81:121$$

Similarly, $$7^2=49$$

=> $$(7+2)^2=(9)^2=81$$

=> Ans - (A)

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