In the following question, select the missing number from the given series.
9, 18, 72, 576, ?
Number of the form $$2^n$$ is multiplied.
9 $$\times2^1$$ = 18
18Â $$\times2^2$$ =Â 72
72Â $$\times2^3$$ =Â 576
576Â $$\times2^4$$ =Â 9216
=> Ans - (D)
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