Question
Three of the following four letter-clusters are alike in
a certain way and thus form a group. Which is the letter-cluster that does NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their positions in the letter cluster.)Solution
JLM = J + 2 = L, L -+ 1 = M. DEG = D + 1 = E, E + 2 = G. WYZ = W + 2 = Y, Y + 1 = Z. SUV = S + 2 = U, U + 1 = V.
If detA = 3, detB = 2, then det(AB) =?If sin x + sin 2x = 1 and cos x + cos 2x = 0, find x.
5, 24, 47, 76, 113, ?.
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