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 bike covers a certain distance at the speed of 67km/h in 8 hrs. If the bike was to cover the same distance in approximately 6 hrs, at what approximate speed should the bike travel?

Option A: 89.33 km/h

Option B: 85.34 km/h

Option C: 87.67 km/h

Option D: 90.25 km/h

Option E: 90.64 km/h

Answer: Option A

Question: Question: In a kilometer race, A beats B by 54 meters or 12 seconds. What time does A take to complete the race?

Option A: 212

Option B: 190

Option C: 277

Option D: 181

Option E: 122

Answer: Option A

Question: Question: In a workshop there are 3 kinds of beds, 3 kinds of closets, 2 kinds of shelves and 7 kinds of chairs. In how many ways can a person decorate his room if he wants to buy in the workshop one shelf, one bed and one of the following: a chair or a closet?

Option A: A

Option B: B

Option C: C

Option D: D

Option E: E

Answer:
Option C