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.
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Question: Question: How many words can be formed by taking 4 letters at a time out of the letters of the word MATHEMATICS.

 Option A: 2154

 Option B: 2454.

 Option C: 2254

 Option D: 2354

 Option E: 1245

Answer: Option B


Question: Question: There are 14 stations between Hyderabad and Bangalore. How many second class tickets have to be printed, so that a passenger can travel from any station to any other station?

 Option A: 288

 Option B: 267

 Option C: 261

 Option D: 211

 Option E: 240

Answer: Option E


Question: Question: Water is leaking out from a cylinder container at the rate of 0.31 m^3 per minute. After 10 minutes, the water level decreases 4 meters. What is value of the radius?

 Option A: 0.5

 Option B: 1.0

 Option C: 1.5

 Option D: 2.0

 Option E: 2.5

Answer:
Option A