What should come in place of the question mark (?) to complete the following letter-cluster series?
YBP, WDS, TGQ, OLT, ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. HSR.
Given series: YBP, WDS, TGQ, OLT, ?
Y - 2 = W; W - 3 = T; T - 5 = O; O - 7 = H;
B + 2 = D; D + 3 = G; G + 5 = L; L + 7 = S;
P + 3 = S; S - 2 = Q; Q + 3 = T; T - 2 = R