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'.

Input: Consider Input: Problem: find out the square of a number which when doubled exceeds its one fifth by 9 ? 
Options: a ) 16 , b ) 25 , c ) 19 , d ) 26 , e ) 17

Output: b


Input: Consider Input: Problem: if 3 x – 5 y = 5 and x / x + y = 5 / 7 , then what is the value of x – y ? 
Options: a ) 9 , b ) 6 , c ) 4 , d ) 3 , e ) none of these

Output: d


Input: Consider Input: Problem: the sum of ages of 5 children born at the intervals of 2 years each is 55 years . what is the age of the youngest child ? 
Options: a ) 4 , b ) 7 , c ) 6 , d ) 9 , e ) 8


Output: b