Question
Four letter-clusters have been given, out of which three
are alike in some manner and one is different. Select the odd letter cluster.Solution
Q + 1 = R; R+ 3 = U; U + 5 = Z N + 1 = O; O+ 3 = R; R + 5 = W K + 1 = L; L + 3 = O; O + 5 = T E + 1 = F; F + 2 = H; H + 6 = N
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