1. What strategy would you implement for a specific product?

2. Given multiple trains traveling between multiple stations, write an SQL query to find the number of trains between two given stations.

3. Given an integer, print the relevant column name in an excel sheet. Ex: 1- A , 2-B.......... 26-Z , 27-AA, 28-AB........

4. How do you find the second largest node in a Binary Tree?

5. How do you handle a fast-paced industry?