instruction:
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.
question:
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
answer:
Option D


question:
Question: On dividing a number by 7, we get 3 as quotient and 0 as remainder. On dividing the same number by 3, what will be the remainder?

 Option A: 1

 Option B: 2

 Option C: 3

 Option D: 0

 Option E: 4
answer:
Option D


question:
Question: What is the rate percent when the simple interest on Rs.800 amount to Rs.128 in 4 Years?

 Option A: 5%

 Option B: 3%

 Option C: 4%

 Option D: 9%

 Option E: 1%
answer:

Option C