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.

Input: Consider Input: Question: A certain car's price decreased by 2.5% (from the original price) each year from 1996 to 2002, during that time the owner of the car invested in a new carburetor and a new audio system for the car, which increased car's price by $2,000. If the price of the car in 1996 was $22,000, what is the car's price in 2002?

Option A: $18,400

Option B: $19,500

Option C: $20,200

Option D: $20,700

Option E: $21,100

Output: Option D

Input: Consider Input: Question: Rob traveled a distance of 30 km, covering the first 10 km in x minutes, the next 10 km in y minutes and the last 10 km in z minutes. If he totally took 3y minutes to cover the whole distance, then which of the following cannot be true? Assume x , y and z are different.

Option A: z=3x

Option B: x=3z

Option C: y=2x

Option D: x=2y

Option E: y=3x

Output: Option D

Input: Consider Input: Question: A cycle is bought for Rs.900 and sold for Rs.1150, find the gain percent?

Option A: 15

Option B: 20

Option C: 27.77

Option D: 40

Option E: 12
Output: Option C