TASK 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.
PROBLEM: 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

SOLUTION: Option E

PROBLEM: Question: x% of y is y% of ?

 Option A: x

 Option B: 100x

 Option C: x/100

 Option D: y/100

 Option E: None

SOLUTION: Option A

PROBLEM: Question: IN Common Wealth Games an athlete runs 280 meters in 24 seconds. Hisspeed is ?

 Option A: 25 km/hr

 Option B: 42.42 km/hr

 Option C: 30 km/hr

 Option D: 32 km/hr

 Option E: None of these

SOLUTION:
Option B