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.

Q: Question: A, B and C enter into partnership. A invests some money at the beginning, B invests double the amount after 6 months, and C invests thrice the amount after 8 months. If the annual gain be Rs.18000. A's share is?

 Option A: 6029

 Option B: 6299

 Option C: 6000

 Option D: 6018

 Option E: 60012

A: Option C
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Q: Question: On what dates of April, 2001 did Wednesday fall?

 Option A: 1st, 8th, 15th, 22nd, 29th

 Option B: 2nd, 9th, 16th, 23rd, 30th

 Option C: 3rd, 10th, 17th, 24th

 Option D: 4th, 11th, 18th, 25th

 Option E: None of these

A: Option D
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Q: Question: The average of five numbers is 20. If one number is excluded, the average becomes 18. The excluded number is?

 Option A: 25

 Option B: 28

 Option C: 32

 Option D: 40

 Option E: 16

A:
Option B
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