Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
CALI, ZEGO, WIBU, TMWA, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. QQRE
Given series: CALI, ZEGO, WIBU, TMWA, ?
Logic:
1st letter:
C - 3 = Z, Z - 3 = W, W - 3 = T, T - 3 = Q
2nd letter:
A + 4 = E, E + 4 = I, I + 4 = M, M + 4 = Q
3rd letter:
L - 5 = G, G - 5 = B, B - 5 = W, W - 5 = R
4th letter: (Vowels)
I, O, U, A, E
Hence, the correct answer is QQRE.