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.
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Question: Question: The 120 students in a group are to be seated in rows so that there is an equal number of students in each row. Each of the following could be the number of rows EXCEPT

 Option A:  4

 Option B:  20

 Option C:  30

 Option D:  40

 Option E:  90

Answer: Option E


Question: Question: A bag is filled with pennies and nickels in the ratio of 5 to 3. There are 30 nickles in the bag, how many coins are there in that bag?

 Option A: 70

 Option B: 65

 Option C: 75

 Option D: 85

 Option E: 80

Answer: Option E


Question: Question: A train 240 m long is running at a speed of 60 km/hr. In what time will it pass a bridge 240 m long?

 Option A: 28.8 sec

 Option B: 20.33 sec

 Option C: 60 sec

 Option D: 48 sec

 Option E: 49 sec

Answer:
Option A