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: If the average (arithmetic mean) of 18 consecutive odd integers is 414, then the least of these integers is

 Option A: a

 Option B: b

 Option C: c

 Option D: d

 Option E: e

SOLUTION: Option A

PROBLEM: Question: The area of the square formed on the diagonal of a rectangle as its side is 108 1/3 % more than the area of the rectangle. If the perimeter of the rectangle is 28 units, find the difference between the sides of the rectangle?

 Option A: 3m

 Option B: 5m

 Option C: 8m

 Option D: 2m

 Option E: 1m

SOLUTION: Option D

PROBLEM: Question: At a certain diner, Joe ordered 3 doughnuts and a cup of coffee and was charged $ 2.25. Stella ordered 2 doughnuts and a cup of coffee and was charged $ 1.80. What is the price of 2 doughnuts?

 Option A: $ 0.55

 Option B: $ 1.00

 Option C: $ 1.10

 Option D: $ 0.90

 Option E: $ 1.80

SOLUTION:
Option D