Which of the following letter clusters will replace the question mark (?) in the given series?
EIMC, DKOD, CMQE, ?, AQUG
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. BOSF.
Given series: EIMC, DKOD, CMQE, ?, AQUG
E - 1 = D; D - 1 = C; C - 1 = B; B - 1 = A
I + 2 = K; K + 2 = M; M + 2 = O; O + 2 = Q
M + 2 = O; O + 2 = Q; Q + 2 = S; S + 2 = U
C + 1 = D; D + 1 = E; E + 1 = F; F + 1 = G