What should come in place of question mark (?) in the following number series ?
2187, 729, 243, 81, 27, 9, ?
The given number series is a Geometric Progression with common ratio being 3.
Here the next term = (previous term)/3.
Therefore, the last term is 9 and hence, next term will be 9/3 = 3.
Therefore, the correct option is B.
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