Which of the following letter-clusters will replace the question mark (?) in the given series?
XI, EE, LB, SZ, ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. ZY.
Given series: XI, EE, LB, SZ, ?
X + 7 = E; E + 7 = L; L + 7 = S; S + 7 = Z
I - 4 = E; E - 3 = B; B - 2 = Z; Z - 1 = Y