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.

Question: The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 1500 resolutions?

Option A: 2112 m

Option B: 2704 m

Option C: 2278 m

Option D: 2288 m

Option E: 2378 m
Option A

Question: A man ran 20 miles in 2 hours 2 minutes. What was the average speed of the man in miles per hour?

Option A: 9.72 miles / hour

Option B: 9.73 miles / hour

Option C: 9.75 miles / hour

Option D: 9.78 miles / hour

Option E: 9.79 miles / hour
Option D

Question: If a number is formed by writing integers 1 to 150 one after another, like 12345...150. How many R digits does this integer consists of?

Option A: 150

Option B: 339

Option C: 342

Option D: 359

Option E: 362
Option C