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 bag is filled with pennies and nickels in the ratio of 5 to 3. There are 30 nickles in the bag, how many coins are there in that bag?

Option A: 70

Option B: 65

Option C: 75

Option D: 85

Option E: 80

Output: Option E

Input: Consider Input: Question: A is faster than B. A and B each walk 24 km. The sum of their speeds is 7 km/hr and the sum of times taken by them is 14 hours. Then, A's speed is equal to?

Option A: 2 km/hr

Option B: 3 km/hr

Option C: 4 km/hr

Option D: 7 km/hr

Option E: 8 km/hr

Output: Option B

Input: Consider Input: Question: 120 liters of a mixture contains milk and water in the ratio 4:2. If 10 liters of this mixture be replaced by 10 liters of milk, the ratio of milk to water in the new mixture would be?

Option A: 8:6

Option B: 9:3

Option C: 9:4

Option D: 9:6

Option E: 8:2
Output: Option C