In the following question, select the missing number from the given series.
2187, 729, 243, 81, 27, ?
The pattern followed is :
$$3^7$$ = 2187
$$3^6$$ =Â 729
$$3^5$$ =Â 243
$$3^4$$ =Â 81
$$3^3$$ =Â 27
$$3^2$$ =Â 9
=> Ans - (B)
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