Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
BCD, EFG, HIJ, ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. KLM.
Given series: BCD, EFG, HIJ, ?
B + 3 = E, E + 3 = H, H + 3 = K
C + 3 = F, F + 3 = I, I + 3 = L
D + 3 = G, G + 3 = J, J + 3 = M