Ans: Unable to track your earlier question, please share previous question and answer

Ans: A career in Data science is promising. Today, we rely on data for all our decision making whether it be in Financial Services, Education, or any business that is currently operating relies on people who can help evaluate data in the right ways. It's never too late to start & worth trying right now too. I would recommend taking up some free courses to get the hang of what is required post which you can explore a formal education in an executive setting if needed.

Ans: One of the best ways to value calculate returns is using the extended rate of returns, popularly called XIRR.

As you have invested Rs.10,000 and their redemption value is Rs.50,000, you have derived an XIRR of around 9.35% for the tenure.