Three of the following four-letter clusters are alike in a certain way and one is different. Pick the odd one out.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. IKNQ
OQTX: O + 2 = Q, Q + 3 = T, T + 4 = X
IKNQ: I + 2 = K, K + 3 = N, N + 3 = Q
ACFJ: A + 2 = C, C + 3 = F, F + 4 = J
EGJN: E + 2 = G, G + 3 = J, J + 4 = N
So, IKNQ is the odd one.