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: patrick purchased 60 pencils and sold them at a loss equal to the selling price of 20 pencils . the cost of 60 pencils is how many times the selling price of 60 pencils ?
Options: a ) 0.75 , b ) 0.8 , c ) 1 , d ) 1.33 , e ) 1.75
[A]: d

[Q]: Problem: for what value of x between 8 and 8 , inclusive , is the value of x ^ 2 10 x + 16 the greatest ?
Options: a ) 8 , b ) 2 , c ) 0 , d ) 2 , e ) 8
[A]: a

[Q]: Problem: ashok secured average of 78 marks in 6 subjects . if the average of marks in 5 subjects is 74 , how many marks did he secure in the 6 th subject ?
Options: a ) 66 , b ) 74 , c ) 78 , d ) 98 , e ) none of these
[A]:
d