Which letter will replace the question mark (?) in the following series?
D2, G3, J5, M7, ?
Answer & explanation
Correct answer: option 3
According to the above alphabet position:
D2 ⇒ (4), 2
G3 ⇒ (7), 3
J5 ⇒ (10), 5
M7 ⇒ (13), 7
? ⇒ (16), 11 = P11
(add 3 in 1st alphabet position. Prime number series is in 2nd alphabet position)