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.
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Question: Question: In a company 200 persons, working 6 hours per day complete 1/3 rd of the work in 7 days. Employee number of additional persons, working 4 hrs per day, required to complete the remaining work in 15 days is :

 Option A: 60

 Option B: 80

 Option C: 90

 Option D: 70

 Option E: 50

Answer: Option B


Question: Question: The population of a certain town increases by 50 percent every 50 years. If the population in 1950 was 810, in what year was the population 160?

 Option A: 1650

 Option B: 1700

 Option C: 1750

 Option D: 1800

 Option E: 1850

Answer: Option C


Question: Question: A grown man eats 1 big burger in two bite. a women in 10 bites. If man takes a bite from the burger and hands it to the women and she takes 2 bites and hand it to the child who takes 3 bites and burger is finished. How many bites the child can finish the burger by herself?

 Option A: 5 bites

 Option B: 10 bites

 Option C: 15 bites

 Option D: 20 bites

 Option E: 25 bites

Answer:
Option B