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: In an examination, 32% candidates failed in one subject and 42% failed in another subject while 15% failed in both the subjects. If 2500 candidates appeared at the end of the examination how many passed in either subject but not in both?

Option A: 975

Option B: 1020

Option C: 1100

Option D: 1243

Option E: 1525
[EX A]: Option C

[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: The number of arrangements that can be made with the letters of the word MEAUDOWS so that the vowels occupy the odd places?

Option A: A

Option B: B

Option C: C

Option D: D

Option E: E
[EX A]:
Option C