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: One half of the workers at the biscuit company is technician,quarter is clerk,one-fifth are administrative and the other 25 are supervisors. How many workers total are there in the biscuit company?

 Option A: 250

 Option B: 366

 Option C: 400

 Option D: 500

 Option E: 2500

SOLUTION: Option D

PROBLEM: Question: The original price of a shirt was $20. It was decreased to $15 . What is the percent decrease of the price of this shirt.

 Option A: 25%

 Option B: 35%

 Option C: 45%

 Option D: 55%

 Option E: 65%

SOLUTION: Option A

PROBLEM: Question: In what time will a train 120 metres long cross an electric pole, if its speed be 72 km/hr?

 Option A: 7 sec

 Option B: 6 sec

 Option C: 8 sec

 Option D: 9 sec

 Option E: 5 sec

SOLUTION:
Option B