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 sets off at 2 p.m. at the speed of 70 kmph. Another train starts at 3:30 p.m. in the same direction at the rate of 85 kmph. At what time the trains will meet?

 Option A: 10.36

 Option B: 10.39

 Option C: 10.3

 Option D: 10.34

 Option E: 10.31
answer:
Option C


question:
Question: A grocer purchased a quantity of bananas at 3 pounds for $0.50 and sold the entire quantity at 4 pounds for $1.00. How many pounds did the grocer purchase if the profit from selling the bananas was $6.00?

 Option A:  72

 Option B:  60

 Option C:  90

 Option D:  120

 Option E:  240
answer:
Option A


question:
Question: If a light flashes every 6 seconds, how many times will it flash in 1/4 of an hour?

 Option A: 51

 Option B: 151

 Option C: 251

 Option D: 351

 Option E: 451
answer:

Option B