Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and the fourth letter-cluster is related to the third letter-cluster.
BFHN : HBDI :: DHFM : JDBH :: FSWL : ?

Correct option is A

Given - BFHN : HBDI :: DHFM : JDBH :: FSWL : ?

Logic - first letter + 6

second letter- 4

third letter - 4

fourth letter - 5

First pair

BFHN : HBDI

B + 6 = H

F - 4 = B

H - 4 = D

N - 5 = I

and Second pair

DHFM : JDBH

D + 6 = J

H - 4 = D

F - 4 = B

M -  5 = H

Similarly, FSWL : ?

F + 6 = L

S - 4= O

W - 4= S

L - 5= G

Missing term is LOSG