11. 

Find out which of the figures (1), (2), (3) and (4) can be formed from the pieces given in figure (X).

A. 1
B. 2
C. 3
D. 4

12. 

Find out which of the figures (1), (2), (3) and (4) can be formed from the pieces given in figure (X).

A. 1
B. 2
C. 3
D. 4

13. 

Find out which of the figures (1), (2), (3) and (4) can be formed from the pieces given in figure (X).

A. 1
B. 2
C. 3
D. 4