TASK DEFINITION: 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'.
PROBLEM: Problem: how many times digit 5 is used while writing numbers from 100 to 1000 ? 
Options: a ) 648 , b ) 300 , c ) 252 , d ) 225 , e ) 290

SOLUTION: e

PROBLEM: Problem: the product of two positive integers is 1023 and their difference is 2 . what is the bigger number ? 
Options: a ) 29 , b ) 31 , c ) 33 , d ) 35 , e ) 37

SOLUTION: c

PROBLEM: Problem: if the least common addition of two prime numbers x and y is 10 , where x > y , then the value of 2 x + y is 
Options: a ) 7 , b ) 9 , c ) 14 , d ) 17 , e ) 21

SOLUTION:
d