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 120 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:

 Option A: 24 m

 Option B: 25 m

 Option C: 22.5 m

 Option D: 9 m

 Option E: 12 m
[A]: Option A


[Q]: Question: an article with cost price of 180 is sold at 15% profit. what is the selling price?

 Option A: 198

 Option B: 200

 Option C: 204

 Option D: 207

 Option E: 210
[A]: Option D


[Q]: Question: Q is an even integer greater than 300,000 and smaller than 1,000,000. How many numbers can Q be?

 Option A: 300,000

 Option B: 349,999

 Option C: 350,000

 Option D: 399,999

 Option E: 400,000
[A]:
Option B