প্রশ্ন সংশোধন করুন
প্রশ্ন:
If p and q are positive integers and the difference between pq and ap is three times the sum of p and q then how many pairs of p and q are possible?
If p and q are positive integers and the difference between pq and ap is three times the sum of p and q then how many pairs of p and q are possible?