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 river 5m deep and 19 m wide is flowing at the rate of 4 kmph the amount of water that runs into the sea per minute is?

 Option A: 4500

 Option B: 6333

 Option C: 6576

 Option D: 6345

 Option E: 2882
[EX A]: Option B

[EX Q]: Question: In how many different number of ways 6 men and 4 women can sit on a shopa which can accommodate persons?

 Option A: 200

 Option B: 210

 Option C: 90

 Option D: 250

 Option E: 270
[EX A]: Option C

[EX Q]: Question: If f(f(n))+f(n)=2n+3 and f(0)=1, what is the value of f(2012)?

 Option A: 222

 Option B: 2787

 Option C: 2013

 Option D: 2778

 Option E: 10222
[EX A]:
Option C