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 light flashes every 30 seconds, how many times will it flash in ? of an hour?

 Option A: 550

 Option B: 600

 Option C: 650

 Option D: 700

 Option E: 120

SOLUTION: Option E

PROBLEM: Question: A mall charges 50 cents for the first hour of parking and $4 for each additional hour until the customer reaches 4 hours, after that the parking fee is $2 per hour. If a Rahul parked his car in the mall for 7 hours and 30 minutes, how much is he going to pay?

 Option A: $25

 Option B: $12.

 Option C: $23.5

 Option D: $24.5.

 Option E: $25.5

SOLUTION: Option A

PROBLEM: Question: In an intercollegiate competition that lasted for 3 days, 157 students took part on day 1, 111 on day 2 and 98 on day 3. If 89 took part on day 1 and day 2 and 56 took part on day 2 and day 3 and 32 took part on all three days, how many students took part only on day 1?

 Option A: 40

 Option B: 44

 Option C: 35

 Option D: 49

 Option E: 38

SOLUTION:
Option B