Task: Question Answering
Input (English): Problem: hcf of two numbers is 15 and their lcm is 180 . if their sum is 105 , then the numbers are 
Options: a ) 30 and 75 , b ) 35 and 70 , c ) 40 and 65 , d ) 45 and 60 , e ) 55 and 70
Output (English): d