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.

[Q]: 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
[A]: Option C


[Q]: Question: The profits of QRS company rose 50% from March to April, then dropped 20% from April to May, then rose 50% from May to June. What was the percent increase for the whole quarter, from March to June?

 Option A: 15%

 Option B: 32%

 Option C: 40%

 Option D: 62%

 Option E: 80%
[A]: Option E


[Q]: Question: Raman mixed 24 kg of butter at Rs. 150 per kg with 36 kg butter at the rate of Rs. 125 per kg. At what price per kg should he sell the mixture to make a profit of 40% in the transaction?

 Option A: Rs. 135

 Option B: Rs. 162

 Option C: Rs. 189

 Option D: Rs. 198

 Option E: None of these
[A]:
Option C