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.

[EX Q]: Question: How much time does a train 150 metres long running at 90 km/hr take to pass a pole?

 Option A: 7.9s

 Option B: 6s

 Option C: 7.5s

 Option D: 7.6s

 Option E: 7.4s
[EX A]: Option B

[EX Q]: Question: The area of a parallelogram is 72sq m and its altitude is twice the corresponding base. Then the length of the base is?

 Option A: 6

 Option B: 9

 Option C: 7

 Option D: 62

 Option E: 2
[EX A]: Option A

[EX Q]: Question: Solve for x: 2x – y = (3/4)x + 6.

 Option A: (y + 6

 Option B: 4(y + 6

 Option C: (y + 6

 Option D: 4(y - 6

 Option E: 6(y-4
[EX A]:
Option B