16. 

College : Student :: Hospital : ?

A. Nurse
B. Doctor
C. Treatment
D. Patient

17. 

Tree : Forest :: Grass : ?

A. Lawn
B. Garden
C. Park
D. Field

18. 

South : North-West :: West : ?

A. North
B. South-West
C. North-East
D. East

19. 

Cloth : Mill :: Newspaper : ?

A. Editor
B. Reader
C. Paper
D. Press

20. 

Country : President :: State : ?

A. Governer
B. M.P
C. Legislator
D. Minister