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.

Q: Question: Two trains, each 100 m long, moving in opposite directions, cross other in 6 sec. If one is moving twice as fast the other, then the speed of the faster train is?

 Option A: 80 km/hr

 Option B: 66 km/hr

 Option C: 60 km/hr

 Option D: 67 km/hr

 Option E: 22 km/hr

A: Option A
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Q: Question: The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:

 Option A: 9400

 Option B: 9600

 Option C: 9800

 Option D: 9000

 Option E: 9200

A: Option B
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Q: Question: A number consists of two digits whose sum is 11. If 27 is added to the number, then the digits change their places. What is the number ?

 Option A: 47

 Option B: 65

 Option C: 83

 Option D: 92

 Option E: 95

A:
Option A
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