There are three stations A,B and C five routes for going from station A to station B and four routes for going from station B to station C. find number of different ways through which a person can go from A to C via B.

Explanation

To solve the problem, we need to determine the number of different ways a person can travel from station A to station C via station B.

**Step 1: Identify the routes from A to B.**
- There are 5 different routes available for traveling from station A to station B.

**Step 2: Identify the routes from B to C.**
- There are 4 different routes available for traveling from station B to station C.

...