TASK DEFINITION: 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.
PROBLEM: Question: A trailer carries 3, 4 and 5 crates on a trip. Each crate weighs no less than 120 kg. What is the maximum weight of the crates on a single trip?

 Option A: 1250

 Option B: 625

 Option C: 600

 Option D: 7500

 Option E: 375

SOLUTION: Option C

PROBLEM: Question: If N = 2^0.1 and N^b = 16, b must equal

 Option A: 3/80

 Option B: 3/5

 Option C: 40

 Option D: 5/3

 Option E: 80/3

SOLUTION: Option C

PROBLEM: Question: Find the average (arithmetic mean) of x and y if the average of x, y, and 50 is 20 more than the average of x, y, 50, and 70.

 Option A: 100

 Option B: 120

 Option C: 140

 Option D: 180

 Option E: 200

SOLUTION:
Option E