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 confectioner decides to sell all of his pastry due to the coming holiday. His pastry goods are equally divided among a group of 25 regular customers. If only 49 customers come to the bakery, each one will receive 6 less pastry goods. How much pastry does the confectioner needs to sell?

Option A: 300.

Option B: 412.

Option C: 432.

Option D: 502.

Option E: 522.

A: Option A
****
Q: Question: Two pipes P and Q can fill a cistern in 12 and 14 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill?

Option A: 11 1/2 min

Option B: 11 1/4 min

Option C: 11 2/4 min

Option D: 11 1/5 min

Option E: 10 1/2 min

A: Option E
****
Q: Question: W and X started a business investing Rs. 30,000 and Rs. 6,000 respectively. Out of a total profit of Rs. 18,000, W's share is :

Option A: 14000

Option B: 15000

Option C: 16000

Option D: 17000

Option E: 18000

A:
Option B
****