SSC CGL 5 AUGUST 2017 Shift 1 (question 2) reasoning with solution.

In the following question, select the related letters from the given alternatives.

NPBG : OQCH :: AJOT : ?
Options:
A. BKPU
B. BUPK
C. BHKP
4. HBKU
Answer: A (BKPU).

Relation between first and second term is explained below:

N ---> O  (Next Letter) 
P --->  Q (Next Letter)
B --->  C (Next Letter)
G --->  G (Next Letter)

So,
A 'S Next Letter ---> B
J 'S Next Letter ---> K
O 'S Next Letter---> P
T 'S Next Letter---> U

Answer is : BKPU