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 train covers a distance of 12 km in 10 min. If it takes 10 sec to pass a telegraph post, then the length of the train is?

 Option A: 100

 Option B: 110

 Option C: 200

 Option D: 130

 Option E: 140
answer:
Option C


question:
Question: Which of the following is closer to (23!+22!)/(23!-22!)?

 Option A: 49

 Option B: 36

 Option C: 25

 Option D: 16

 Option E: 1
answer:
Option E


question:
Question: Sam invests $1000 in an account that pays 12% annual interest: the interest is paid once, at the end of the year. Kody invests $1000 in an account that pays 12% annual interest, compounding monthly at the end of each month. At the end of one full year, compared to Sam's account, approximately how much more does Kody’s account have?

 Option A: Zero

 Option B: $682.5

 Option C: $68.25

 Option D: $6.825

 Option E: $0.6825
answer:

Option D