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 and B started a partnership business investing Rs. 20,000 and Rs. 15,000 respectively. C joined them with Rs. 20,000 After six months. Calculate B's share in total profit of Rs. 25,000 earned at the end of 2 years from the starting of the business?

Option A: 7500

Option B: 8500

Option C: 9000

Option D: 8000

Option E: None of these
[A]: Option A

[Q]: Question: All of the citizens of a country have a six-character or seven-character national identification code that is created using the 26 letters of the alphabet and the 10 digits from 0 to 9. What is the maximum number of citizens who can be designated with these codes?

Option A: 36^13

Option B: 35(36^7

Option C: 37(36^6

Option D: 35(36^6

Option E: 37(36^7
[A]: Option C

[Q]: Question: The sum of all possible two digit numbers formed from
three different one digit natural numbers when divided by
the sum of the original three numbers is equal to?

Option A: 14

Option B: 16

Option C: 18

Option D: 20

Option E: 22
[A]:
Option E