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'.
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Question: Problem: given f ( x ) = 3 x – 5 , for what value of x does 2 * [ f ( x ) ] – 10 = f ( x – 2 ) ? 
Options: a ) 1 , b ) 2 , c ) 3 , d ) 4 , e ) 5

Answer: c


Question: Problem: total 85 matches are conducted in knockout match type . how many players will be participated in that tournament ? 
Options: a ) 85 , b ) 81 , c ) 53 , d ) 82 , e ) 84

Answer: e


Question: Problem: a is two years older than b who is twice as old as c . if the total of the ages of a , b and c be 32 , the how old is b ? 
Options: a ) 10 years , b ) 12 years , c ) 14 years , d ) 15 years , e ) 16 years

Answer:
b