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: An article is bought for Rs.675 and sold for Rs.1215, find the gain percent?

 Option A: 33 1/9%

 Option B: 33 8/3%

 Option C: 33 1/3%

 Option D: 33 2/3%

 Option E: 80%
[EX A]: Option E

[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: By selling 16 pencils for a rupee a man loses 10%. How many for a rupee should he sell in order to gain 20%?

 Option A: 8

 Option B: 9

 Option C: 12

 Option D: 89

 Option E: 81
[EX A]:
Option C