Question

8. If A is an m p matrix and B is a pm matrix
then order of AB is
(a) m  p (b) mm
(c) p p (d) none
9. The degree of the vertex is one the its is known as
–––––––––––– vertex
(a) pendent (b) isolated
(c) loop (d) none
10. A cycle-free graph is known as ––––––––––––
(a) connected(b) circuit
(c) path (d) tree

Answer 1

Answer:

8) B

9) b

10) a

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Answer 2

8) Option d = none

9) Option a = pendent

10) I don't have any idea about this