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: If the charge of staying in a student youth hostel $18.00/day for the first week, and $15.00/day for each additional week, How much does it cost to stay for 23 days?

 Option A: $336

 Option B: $289

 Option C: $282

 Option D: $274

 Option E: $286
[EX A]: Option A

[EX Q]: Question: The difference of two numbers is 1365. on dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number?

 Option A: 240

 Option B: 270

 Option C: 295

 Option D: 360

 Option E: None of these
[EX A]: Option B

[EX Q]: Question: In an examination, 25% of total students failed in Hindi, 40% failed in English and 35% in both. The percentage of these who passed in both the subjects is :

 Option A: 10%

 Option B: 20%

 Option C: 30%

 Option D: 40%

 Option E: 50%
[EX A]:
Option C