Databricks Interview Experience for Summer 2021 Internship

I applied to the Databricks Summer Internship program through their career portals, and the questions were asked on the Codesignal platform

These are the questions which were asked on the interview

1. Digit Manipulation
2. Broken Keyboard
3. Border Sort
4. Max Revenue from Stocks

All these questions were to be answered within the time period of 70 minutes