In this type of questions, a series of single, pairs or groups of letters or combinations of letters and numerals are given. The terms of the series form a certain pattern as regards the position of the letter in the English alphabet. Find the missing or wrong term in series 

1)

GH, JL, NQ, SW YD, ?


A) EJ

B) FJ

C) EL

D) FL

Answer:

Option D

Explanation:

1st letter : G+3J,J+4N,N+5S,S+6Y,Y+7F

2nd letter : H+4L,L+5Q,Q+6W,

W+7D,D+8L

Hence the answer is (d).