Definition: 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.
Input: Question: A chair is bought for Rs.900/- and sold at Rs.810/- find the loss percentage?

 Option A: 10% Loss

 Option B: 20% Loss

 Option C: 30% Loss

 Option D: 40% Loss

 Option E: 50% Loss

Option A