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.

Question: A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population initially was 10^5, then what was the number in the population 50 minutes later?

Option A: 2(10^5

Option B: 5(10^5

Option C: (2^5

Option D: (10^5

Option E: (10^5
Option C

Question: A certain company employs 8 senior officers and 4 junior officers. If a committee is to be created, that is made up of 3 senior officers and 1 junior officer, how many different committee are possible?

Option A: 8

Option B: 24

Option C: 58

Option D: 224

Option E: 210
Option D

Question: John works full-time, 40 hours a week, selling cars at the local auto mall. His sales quota for a week is $20,000. How much does John have to sell per hour to make his sales quota?

Option A: 200

Option B: 250

Option C: 500

Option D: 1000

Option E: 700
Option C