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: If 5 ministers are to be seated at a round table conference, then how many different ways can they be seated?

Option A: 240

Option B: 60

Option C: 24

Option D: 720

Option E: 180
[A]: Option C

[Q]: 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
[A]: Option E

[Q]: Question: Find a number such that it exceeds 18 by three times the number by which it is less than 86?

Option A: 67

Option B: 68

Option C: 69

Option D: 70

Option E: 71
[A]:
Option C