Question
Which of the following letter-clusters will replace the
question mark in the given series to make it logically complete? SBNQ, WWIU, ARDY, EMYC, ?Solution
S + 4 = W, W + 4 = A, A + 4 = E, E + 4 = I B β 5 = W, W β 5 = R, R β 5 = M, M β 5 = H N - 5 = I, I - 5 = D, D - 5 = Y, Y - 5 = T Q + 4 = U, U + 4 = Y, Y + 4 = C, C + 4 = G
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