Select the related word/letters/number from the given alternatives.
8 : 27: : 9 : ?
Expression =Â 8 : 27: : 9 : ?
The pattern followed is = $$x:3(x+1)$$
Eg :- $$8:3(8+1)=8:27$$
Similarly, $$3\times(9+1)=3\times10=30$$
=> Ans - (B)
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