32, 52, 92, 172, 332, 650

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

quantitative aptitude
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