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: The toll for crossing a certain bridge is $0.75 each crossing. Drivers who frequently use the bridge may instead purchase a sticker each month for $13 and then pay only $0.10 each crossing during that month. If a particular driver will cross the bridge twice on each of x days next month and will not cross the bridge on any other day, what is the least value of x for which this driver can save money by using the sticker?

 Option A: 12

 Option B: 15

 Option C: 16

 Option D: 28

 Option E: 29

Answer: Option A


Question: Question: 5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.210 only. Menâ€™s wages are?

 Option A: 6Rs

 Option B: 2Rs

 Option C: 4Rs

 Option D: 9Rs

 Option E: 14Rs

Answer: Option E


Question: Question: Evaluate permutation
5P5

 Option A: 120

 Option B: 110

 Option C: 98

 Option D: 24

 Option E: None of these

Answer:
Option A