Question discussion

Find the wrong term in the series.AB, CF, EJ, GN, IO

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Discussion 1

0
CCommunity
A = 1, 1 × 2 = 2, 2 = B, AB

C = 3, 3 × 2 = 6, 6 = F, CF

E = 5, 5 × 2 = 10, 10 = J, EJ

G = 7, 7 × 2 = 14,1 4 = N, GN

I = 9,9 × 2 = 18, 18 = R, IR

so, the odd man out is IO.