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 x, y, and z are negative integers and 3x - 3y = -3z, then which of the following statements must be true?
I. x > y
II. x > y > z
III. x = z

Option A: I and II

Option B: I only

Option C: II only

Option D: III only

Option E: None
[A]: Option B

[Q]: Question: A certain company reported that the revenue on sales increased 40 % from 2000 to 2003, and increased 90 % from 2000 to 2005. What was the approximate percent increase in revenue for this store from 2003 to 2005?

Option A: 50 %

Option B: 36 %

Option C: 30 %

Option D: 32 %

Option E: 29 %
[A]: Option B

[Q]: Question: The present age of a father is 3 years more than three times the age of his son.Three years hence,father as age will be 9 years more than twice the age of the son.Find the present age of the father.

Option A: 88

Option B: 77

Option C: 30

Option D: 44

Option E: 55
[A]:
Option C