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, B, C are three consecutive positive integers (A>B>C). What is the value of the expression 2A +B +2C?

 Option A: 6A+7.

 Option B: 5A+1.

 Option C: 5A-5.

 Option D: 6A-5.

 Option E: 6A-7.

SOLUTION: Option C

PROBLEM: Question: Calculate the sum of first 60 natural numbers.

 Option A: 1839

 Option B: 2830

 Option C: 1830

 Option D: 1831

 Option E: 1835

SOLUTION: Option C

PROBLEM: Question: (7.5 × 7.5 + 37.5 + 2.5 × 2.5) is equal to :

 Option A: 30

 Option B: 60

 Option C: 80

 Option D: 100

 Option E: None of these

SOLUTION:
Option D