11. 

Which of the following diagrams indicates the best relation between Iron, Lead and Nitrogen ?

A.
B.
C.
D.

12. 

Which of the following diagrams indicates the best relation between Examination, Questions and Practice ?

A.
B.
C.
D.

13. 

Which of the following diagrams indicates the best relation between Bulb, Lamp and Light ?

A.
B.
C.
D.

14. 

Which of the following diagrams indicates the best relation between Lion, Dog and Snake ?

A.
B.
C.
D.

15. 

Which of the following diagrams indicates the best relation between Moon, Sun and Earth ?

A.
B.
C.
D.