UPSC Civil Services 2025 Prelims General Studies Paper II

Question : 29 of 80

Marks: +1, -0

Let PQR be a 3-digit number, PPT be a 3-digit number and PS be a 2 -digit number, where P , Q,R,S,T are distinct non-zero digits. Further, PQR−PS=PPT. If Q=3 and T<6, then what is the number of possible values of (R,S) ?