Which of the following graphs are trees ?
A.
B.
C.
D.
Choose the correct answer from the options given below :
1
(A) and (B) Only
2
(A), (B) and (D) Only
3
(A) and (D) Only
4
(A), (B), (C) and (D) Only
Which of the following graphs are trees ?
A.
B.
C.
D.
Choose the correct answer from the options given below :