Question
Select the letters that can replace the question marks
(?) respectively in the following series. ISO, MYG, QEY, UK?, YQI, CW?Solution
The logic followed here is as follows: I + 4 = M, M + 4 = Q, Q + 4 = U, U + 4 = Y, Y + 4 = C S + 6 = Y, Y + 6 = E, E + 6 = K, K + 6 = Q, Q + 6 = W O – 8 = G, G – 8 = Y, Y – 8 = Q, Q – 8 = I, I – 8 = A
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