Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

[Q]: Problem: a light flashes every 30 seconds, how many times will it flash in ? of an hour ?
Options: a. 550, b. 600, c. 650, d. 700, e. 120
[A]: e


[Q]: Problem: a can give b 50 meters start and c 100 meters start in a kilometer race. how much start can b give c in a kilometer race ?
Options: a. 111.12, b. 111.67, c. 111.64, d. 52.63, e. 101.12
[A]: d


[Q]: Problem: 9 friends decided to divide the hotel bill evenly. if the bill was $ 124.15 dollars, how much money did they pay if 1 cent is the smallest unit ?
Options: a. $ 124.11, b. $ 124.12, c. $ 124.13, d. $ 124.14, e. $ 124.15
[A]:
a