A walk has Closed property if ____________ A. v0=vk B. v0>=vk

a-walk-has-closed-property-if-a-v0-vk-b-v0-vk

A walk has Closed property if ____________

A. v0=vk

B. v0>=vk

C. v < 0

D. vk > 1

The question was asked in an interview for internship.

The question is from Different Path in a Graph in portion Graphs of Discrete Mathematics

Right answer is A. v0=vk

Explanation: A walk in a graph is said to be closed if the starting vertex is the same as the ending vertex, that is v0=vk, it is described as Open otherwise.