Question
Select the letter-pair that can replace the question
mark (?) in the following series. MR, JO, GL, DI, ?Solution
M – 3 = J, J – 3 = G, G – 3 = D, D – 3 = A R – 3 = O, O – 3 = L, L – 3 = I, I – 3 = F
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