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.
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Question: Question: If p/8 = r/2 and r = 0.75s, what is the ratio of p to r to s?

Option A: 2 : 3 : 4

Option B: 8 : 12 : 9

Option C: 24 : 6 : 8

Option D: 6 : 4 : 3

Option E: 12 : 8 : 3

Answer: Option C

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: What is the shortest distance between points (-2, 1) and (2,-2)?

Option A: 1

Option B: 2

Option C: 3

Option D: 4

Option E: 5

Answer:
Option E