32, 52, 92, 172, 332, 650

Find out the wrong number in the following number series.

Q. 32, 52, 92, 172, 332, 650

A. 332

B. 92

C. 650

D. 172

E. 33

 Sol:

32 + 20 = 52

52 + 40 = 92

92 + 80 = 172

172 + 160 = 332

332 + 320 = 652

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