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.

[Q]: Question: In the rectangular coordinate system, what is the x-intercept of a line passing through (10, 3) and (−6, −5)?

 Option A: 4

 Option B: 2

 Option C: 0

 Option D: −2

 Option E: −4
[A]: Option A


[Q]: Question: An escalator moves towards the top level at the rate of 11 ft.sec and its length is 140 feet. If a person walks on the moving escalator at the rate of 3 feet per second towards the top level, how much time does he take to cover the entire length.

 Option A: 14 sec

 Option B: 10 sec

 Option C: 12 sec

 Option D: 8 sec

 Option E: 5 sec
[A]: Option B


[Q]: Question: A train is 400 meter long is running at a speed of 60 km/hour. In what time will it pass a signal post?

 Option A: 28 seconds

 Option B: 30 seconds

 Option C: 40 seconds

 Option D: 24 seconds

 Option E: 18 seconds
[A]:
Option D