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: A boat can travel with a speed of 25km/hr in still water. If the speed of the stream is 5km/hr, find the time taken by the boat to go 120km downstream.

 Option A: 1 hr

 Option B: 2 hrs

 Option C: 3 hrs

 Option D: 4 hrs

 Option E: 5 hrs
[EX A]: Option D

[EX Q]: Question: Three candidates contested in an election and received 6136, 7636, 11628 votes respectively. What is the percentage of the total votes did the winning candidate get?

 Option A: 46%

 Option B: 49%

 Option C: 57%

 Option D: 51%

 Option E: 62%
[EX A]: Option A

[EX Q]: Question: A river 3m deep and 36 m wide is flowing at the rate of 2 kmph the amount of water that runs into the sea per minute is?

 Option A: 4500

 Option B: 2678

 Option C: 3600

 Option D: 3400

 Option E: 2500
[EX A]:
Option C