There are 8 buses running from Kota to Jaipur and 10 buses running from Jaipur to Delhi. In how many ways a person can travel from Kota to Delhi via Jaipur by bus?

Answer

To solve the problem of how many ways a person can travel from Kota to Delhi via Jaipur by bus, we can break it down into two parts: the journey from Kota to Jaipur and the journey from Jaipur to Delhi.

### Step-by-Step Solution:

1. **Identify the number of buses from Kota to Jaipur**:
There are 8 buses running from Kota to Jaipur.

2. **Identify the number of buses from Jaipur to Delhi**:
There are 10 buses running from Jaipur to Delhi.

3. **Calculate the total number of combinations**:
To find the total number of ways to travel from Kota to Delhi via Jaipur, we need to multiply the number of choices for each leg of the journey.
- The number of ways to go from Kota to Jaipur is 8 (choices of buses).
- The number of ways to go from Jaipur to Delhi is 10 (choices of buses).

Therefore, the total number of ways to travel from Kota to Delhi via Jaipur is:
\[ \text{Total Ways} = (\text{Ways from Kota to Jaipur}) \times (\text{Ways from Jaipur to Delhi}) = 8 \times 10 = 80 \]

4. **Conclusion**:
Thus, a person can travel from Kota to Delhi via Jaipur in **80 different ways**.