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: There are n arithmetic means between 3 and 45 such that the sum of these arithmetic means is 552. find the value of n.

 Option A: 11

 Option B: 15

 Option C: 17

 Option D: 21

 Option E: 23
Option E

Question: How many inches are in 2000 millimeters? (round your answer to the nearest hundredth of of an inch).

 Option A: 51.45 inches

 Option B: 86.09 inches

 Option C: 67.34 inches

 Option D: 34.98 inches

 Option E: 78.74 inches
Option E

Question: A train of length 250 m runs at a speed of 70 km/hr. What will be the time taken to cross any stationary object standing at the railway station?

 Option A: 20 sec

 Option B: 17.23 sec

 Option C: 12.86 sec

 Option D: 9.5 sec

 Option E: 8.5 sec

Option C