instruction:
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.
question:
Question: A combustion reaction forms carbon dioxide. A carbon dioxide molecule contains one carbon and two oxygen atoms. If, over a period of 10 minutes, a combustion reaction creates 10,000 molecules of carbon dioxide then approximately how many more atoms of oxygen than carbon are created on average per minute?

 Option A: 1,000

 Option B: 500

 Option C: 250

 Option D: 50

 Option E: 0
answer:
Option A


question:
Question: The distance between two cities A and B is 330 Km. A train starts from A at 8 a.m. and travel towards B at 60 km/hr. Another train starts from B at 9 a.m and travels towards A at 75 Km/hr. At what time do they meet?

 Option A: 10 a.m

 Option B: 10.30 a.m

 Option C: 11 a.m

 Option D: 11.30 a.m

 Option E: None of these
answer:
Option C


question:
Question: There are 2 available positions and 50 candidates, one half of whom are democrats and another half are republicans. If it was decided that the positions would be filled at random, then what is the probability W that the both positions will be taken by members of just one party?

 Option A: 1/25

 Option B: 12/49

 Option C: 1/4

 Option D: 24/49

 Option E: 1/2
answer:

Option D