In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Q: Problem: if 4 spiders make 3 webs in 9 days , then how many days are needed for 1 spider to make 1 web ? 
Options: a ) 9 , b ) 12 , c ) 27 , d ) 24 , e ) 16

A: b
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Q: Problem: a sucrose solution contains 10 grams of sucrose per 100 cubic centimeters of solution . if 60 cubic centimeters of the solution were poured into an empty container , how many grams of sucrose would be in the container ? 
Options: ['a ) 4.00', 'b ) 6.00', 'c ) 5.50', 'd ) 6.50', 'e ) 6.75']

A: b
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Q: Problem: a and b complete a work in 50 days . a alone can do it in 40 days . if both together can do the work in how many days ? 
Options: a ) 1.075 days , b ) 0.185 days , c ) 0.065 days , d ) 0.045 days , e ) 0.0775 days

A:
d
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