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: The price of 2 sarees and 4 shirts is Rs. 1600. With the same money one can buy 1 saree and 6 shirts. If one wants to buy 12 shirts, how much shall he have to pay ?

 Option A: 4800

 Option B: none of these

 Option C: 3600

 Option D: 1200

 Option E: 2400

A: Option E
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Q: Question: P alone can complete a piece of work in 14 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together?

 Option A: 6 (1/4

 Option B: 21/2 days

 Option C: 7 (3/4

 Option D: 8/5 days

 Option E: 9 (3/4

A: Option B
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Q: Question: Little John had $10.50. He spent $2.25 on sweets and gave to his two friends $2.20 each. How much money was left?

 Option A: $1.85

 Option B: $ 3.85

 Option C: $4.85

 Option D: $6.85

 Option E: $5.85

A:
Option B
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