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

Q: Problem: the product of two numbers is 2028 and their h . c . f is 13 . the number of such pairs is : 
Options: a ) 1 , b ) 2 , c ) 3 , d ) 4 , e ) 5

A: b
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Q: Problem: if josh , doug , and brad have a total of $ 68 between them , and josh has two times as much money as brad but only 3 - fourths as much as doug , how much money does doug have ? 
Options: a ) $ 8 , b ) $ 9 , c ) $ 27 , d ) $ 32 , e ) $ 36

A: d
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Q: Problem: if x + y = 25 and x 2 y 3 + y 2 x 3 = 25 , what is the value of xy ? 
Options: a ) 1 , b ) 2 , c ) 3 , d ) 4 , e ) 5

A:
a
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