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: A student gets 60% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.

 Option A: 75%

 Option B: 25%

 Option C: 85%

 Option D: 55%

 Option E: 65%

Answer: Option C


Question: Question: Patrick purchased 80 pencils and sold them at a loss equal to the selling price of 16 pencils. The cost of 80 pencils is how many times the selling price of 80 pencils?

 Option A:  0.75

 Option B:  1.2

 Option C:  1.8

 Option D:  2.4

 Option E:  4.25

Answer: Option B


Question: Question: Two trains of equal are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 54 sec. The length of each train is?

 Option A: 50

 Option B: 26

 Option C: 75

 Option D: 28

 Option E: 21

Answer:
Option C