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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