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: Two trains of equal are running on parallel lines in the same direction at 45 km/hr and 36 km/hr. The faster train passes the slower train in 36 sec. The length of each train is?

 Option A: 45

 Option B: 88

 Option C: 66

 Option D: 55

 Option E: 22

Answer: Option A


Question: Question: Which of the following integers doesn't have a divisor greater than 1 that is the square of an integer?

 Option A: 12

 Option B: 36

 Option C: 100

 Option D: 61

 Option E: 72

Answer:
Option D