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 reduction of 20% in the price of salt enables a lady to obtain 10kgs more for Rs.100, find the original price per kg?

Option A: Rs.2.9

Option B: Rs.2.1

Option C: Rs.2.5

Option D: Rs.2.2

Option E: Rs.2.7

SOLUTION: Option C

PROBLEM: Question: A shopkeeper sold an book offering a discount of 5% and earned a profit of 30%. What would have been the percentage of profit earned if no discount was offered?

Option A: 140

Option B: 120

Option C: 130

Option D: 136.8

Option E: 150

SOLUTION: Option D

PROBLEM: Question: Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet. How many miles does the pigeon travel?

Option A: 54

Option B: 66

Option C: 80

Option D: 36

Option E: 96

SOLUTION:
Option A