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: A cow and horse are bought for Rs.2,00,000. The cow is sold at a profit of 20% and the horse is sold a t a loss of 10%. The overall gain is Rs.4000, the Cost price of cow?

 Option A: 2 percent

 Option B: 3

 Option C: 4

 Option D: 5

 Option E: 6
answer:
Option A


question:
Question: If x is positive and y is negative, which of the following must be true?

 Option A: The product of x and y is positive

 Option B: The sum of x and y is positive

 Option C: The sum of x and y is negative

 Option D: The difference of x and y is positive

 Option E: The sum of x^2 and y^2 is positive
answer:
Option E


question:
Question: Find the value of c from (8)^3 x 9^3 Ã· 679 = c.

 Option A: 249.7

 Option B: 529.7

 Option C: 549.7

 Option D: 594.7

 Option E: 119.7
answer:

Option C