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: In a queue that comprises of 7 students. Sam and Tom are in the queue, what is the probability that they will be standing next to each other in the queue?

 Option A:  7%

 Option B:  14%

 Option C:  21%

 Option D:  28%

 Option E:  35%

A: Option C
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Q: Question: A shirt goes on sale for 80% of its original price. One week later, the sale price is marked down 20%. The final price is what percent of the original price?

 Option A: 72%

 Option B: 70%

 Option C: 52%

 Option D: 64%

 Option E: 28%

A: Option D
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Q: Question: The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:

 Option A: 1520 m2

 Option B: 2420 m2

 Option C: 2480 m2

 Option D: 2520 m2

 Option E: None

A:
Option D
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