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.

Input: Consider Input: Question: An escalator moves towards the top level at the rate of 11 ft.sec and its length is 140 feet. If a person walks on the moving escalator at the rate of 3 feet per second towards the top level, how much time does he take to cover the entire length.

Option A: 14 sec

Option B: 10 sec

Option C: 12 sec

Option D: 8 sec

Option E: 5 sec

Output: Option B

Input: Consider Input: 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

Output: Option A

Input: Consider Input: Question: 26 buckets of water fill a tank when the capacity of each bucket is 13.5 litres. How many buckets will be required to fill the same tank if the capacity of each bucket is 9 litres?

Option A: 30

Option B: 39

Option C: 60

Option D: Data inadequate

Option E: None of these
Output: Option B