Select the related word/letters/number from the given alternatives.
66 : 36 : : 99 : ?
Expression =Â 66 : 36 : : 99 : ?
The pattern followed is = $$x:(\frac{x}{11})^2$$
Eg :- $$66:(\frac{66}{11})^2=66:36$$
Similarly, $$(\frac{99}{11})^2=(9)^2=81$$
=> Ans - (C)
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