11 × 1 – 2 = 9 9 × 2 + 2 = 20 20 × 1 – 2 = 18 18 × 2 + 2 = 38 38 × 1 – 2 = 36

Question

Find out the wrong number in the following given number series :

11 9 20 18 37 36

A 11

B 20

C 18

D 9

E 37

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