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: Anthony and Michael sit on the six member board of directors for company X. If the board is to be split up into 2 three-person subcommittees, what percent R of all the possible subcommittees that include Michael also include Anthony?

 Option A:  20%

 Option B:  30%

 Option C:  40%

 Option D:  50%

 Option E:  60%
[EX A]: Option C

[EX Q]: Question: 100 + 50 * 2 = ?

 Option A: 200

 Option B: 150

 Option C: 100

 Option D: 300

 Option E: 400
[EX A]:
Option A