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.

[EX Q]: Question: A number when divided by 5 gives a number which is 8 more than the remainder obtained on dividing the same number by 34. Such a least possible number N is

Option A: 74

Option B: N=75

Option C: N=175

Option D: N=680

Option E: 690
[EX A]: Option B

[EX Q]: Question: Mr. Karan borrowed a certain amount at 6% per annum simple interest for 9 years. After 9 years, he returned Rs. 8010/-. Find out the amount that he borrowed.

Option A: s. 5266

Option B: s. 5269

Option C: s. 5228

Option D: s. 5201

Option E: s. 52192
[EX A]: Option D

[EX Q]: 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
[EX A]:
Option D