Select the number from among the given options that can replace the question mark (?) in the following series: 3, 6, 9, 18, 21, ?

Question

Select the number from among the given options that can replace the question mark (?) in the following series: 3, 6, 9, 18, 21, ?

Options

A.

42

B.

24

C.

40

D.

63

number seriespattern recognitionsequence

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