Question

A man is at the origin on the x-xis and takes a unit step either to the left or to the right. He stops after 5 steps or if he reaches 3 or -2. How many possible paths the man can travel?

Answer 1

There are two possible paths a man can travel to achieve the 5 steps.

1. He can travel from -2 towards the right to 3.
2. He can travel from 3 towards the left to -2.