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: If a college has 15 staff for every 700 students, then what is the number of staff for 1400 students?

 Option A: 30

 Option B: 14

 Option C: 12

 Option D: 17

 Option E: 19

Answer: Option A


Question: Question: If x and y are negative integers, which of the following statements must be true?
I. (-x)^y is positive.
II. (-x)^(-y) is positive.
III. x^(-y) is positive.

 Option A: None

 Option B: II only

 Option C: I and II

 Option D: I and III

 Option E: I, II and III

Answer: Option C


Question: Question: Total 45 cows 15 cow gives each 2 liter milk 15 cow gives each 3/4 liter milk 15 cow gives each 1/4 liter milk this is split into 3 son per each 15 cows & 15 liter milk how?

 Option A: 10

 Option B: 12

 Option C: 15

 Option D: 16

 Option E: 18

Answer:
Option C