TASK DEFINITION: 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.
PROBLEM: Question: Car X began traveling at an average speed of 35 miles per hour. After 72 minutes, car Y began traveling at an average speed of 41 miles per hour. When both cars had traveled the same distance, both cars stopped. How many miles did car X travel from the time car Y began traveling until both cars stopped?

 Option A: 140

 Option B: 175

 Option C: 210

 Option D: 245

 Option E: 280

SOLUTION: Option D

PROBLEM: Question: A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 liters per minute. When the tank is full in inlet is opened and due to the leak the tank is empties in 8 hours. The capacity of the tank is?

 Option A: 5768

 Option B: 5760

 Option C: 5762

 Option D: 5766

 Option E: 5712

SOLUTION: Option B

PROBLEM: Question: The tax on a commodity is diminished by 20% and its consumption increased by 15%. The effect on revenue is?

 Option A: 9% decrease

 Option B: 8% decrease

 Option C: 6% decrease

 Option D: 1% decrease

 Option E: 2% decrease

SOLUTION:
Option B