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: In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

 Option A: 1/3

 Option B: 2/5

 Option C: 3/7

 Option D: 8/27

 Option E: 9/29
[EX A]: Option A

[EX Q]: Question: A candidate got 32% of the votes polled and he lost to his rival by 1908 votes. How many votes were cast?

 Option A: 5100

 Option B: 5200

 Option C: 5300

 Option D: 5400

 Option E: 5500
[EX A]: Option C

[EX Q]: Question: The difference between simple interest and compound interest on Rs.1200 for one year at 10% per annum reckoned half-yearly is :

 Option A: Rs.2.50

 Option B: Rs.3

 Option C: Rs.3.75

 Option D: Rs.4

 Option E: Rs.5
[EX A]:
Option B