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: A businessman earns $28800 in December, thus decreasing his average annual (January to December) earnings by $1300. His average annual earnings would be
Source: CMAT Preparation

 Option A: $29000

 Option B: $33500

 Option C: $40200

 Option D: $41000

 Option E: $43100

Answer: Option E


Question: Question: Three number are in the ratio 5:6:7. The sum of its largest and smallest numbers equals the sum of the third number and 48. Find the third number?

 Option A: 87

 Option B: 57

 Option C: 48

 Option D: 26

 Option E: 28

Answer: Option C


Question: Question: The bankerâ€™s discount of a certain sum of money is Rs. 60 and the true discount on the same sum for the same time is Rs.54. The sum due is

 Option A: 210

 Option B: 280

 Option C: 360

 Option D: 720

 Option E: None

Answer:
Option D