Question
Four letter-clusters have been given out of which four
are alike in some manner and one is different. Select the one that is different.Solution
NPM β N + 2 = P, P - 3 = M EGD β E + 2 = G, G - 3 = D LNH β L + 2 = N, N - 3 = K β H XZW β X + 2 = Z, Z - 3 = W QSP β Q + 2 = S, S - 3 = P
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