Which letter will replace the question mark (?) in the following series?
AD, GL, MR, ?
Answer & explanation
Correct answer: option 3
According to the above alphabet position:
AD ⇒ (1) (6)
GL ⇒ (7) (12)
MR ⇒ (13) (18)
? ⇒ (19) (24) = SX
(add 6 in 1st and 2nd alphabet position)