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.

Ex Input:
Question: How many words can be formed by taking 4 letters at a time out of the letters of the word MATHEMATICS.

Option A: 2154

Option B: 2454.

Option C: 2254

Option D: 2354

Option E: 1245

Ex Output:
Option B

Ex Input:
Question: The difference of two numbers is 1565. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ?

Option A: A

Option B: B

Option C: C

Option D: D

Option E: E

Ex Output:
Option E

Ex Input:
Question: A, B and C invests Rs.6000, Rs.5000 and Rs.3000 in a business. After one year C removed his money; A and B continued the business for two more year. If the net profit after 3 years be Rs.4206, then C's share in the profit is?

Option A: 276

Option B: 289

Option C: 400

Option D: 350.5

Option E: 300

Ex Output:
Option D