Question
Four letter-clusters have been given, out of which three
are alike in some manner and one is different. Select the letter-cluster that is different.Solution
L + 4 = P, P β 7 = I, I + 4 = M N + 4 = R, R β 7 = K, K + 4 = O U + 4 = Y, Y β 11 = N, N + 4 = R H + 4 = L, L β 7 = E, E + 4 = I
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