You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
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Question: Question: Donald plans to invest x dollars in a savings account that pays interest at an annual rate of 8% compounded quarterly. Approximately what amount is the minimum that Donald will need to invest to earn over $100 in interest within 6 months?

 Option A: 1500

 Option B: 1750

 Option C: 2000

 Option D: 2500

 Option E: 3000

Answer: Option D


Question: Question: Given that there are 6 basketball players per team, how many ways can you select 2 basketball players from 3 teams if no more than one player can be selected from each team?

 Option A:  15

 Option B:  30

 Option C:  60

 Option D:  108

 Option E:  90

Answer: Option D


Question: Question: Kevin sold an item for Rs.5000/- and incurred a loss of 50%. At what price should he have sold the item to have gained a profit of 50%?

 Option A: 15000

 Option B: 14000

 Option C: 13000

 Option D: 12000

 Option E: 11000

Answer:
Option A