Select the number from among the given options that can replace the question mark (?) in the following series: 30, 20, ?, 60, 140

Question

Select the number from among the given options that can replace the question mark (?) in the following series: 30, 20, ?, 60, 140

Options

A.

30

B.

35

C.

40

D.

25

number seriespattern recognitionsequence

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