CUET Preparation Today
Find the greatest four-digit number that is a perfect square. |
9990 9801 9999 None of these |
9801 |
The largest four-digit number is 9999. We need the greatest perfect square less than or equal to 9999. $100^2 = 10000 \quad (\text{5-digit number})$ So, the next lower square is: $99^2 = 9801$ Therefore, the greatest four-digit perfect square is: 9801 |
