I found this as one of the brain teasers asked during an interview. I cannot say whether this question is complete because the answer to me does not make sense so maybe it is missing some information. I would really appreciate it if someone could help me out with the solution and the logic behind it as I have an interview with this bank next week:
If bus tokens cost $1.5 today and $2 tomorrow, how many would you buy? Your required rate of return is 10% and give your answers in time.