2018 · Q12
The smallest integer with 4 digits which is a perfect square is
Elementary MathematicsNumber System
- A1000
- B1024
- C1089
- DNone of the above
Explanation
The smallest 4-digit number is 1000, which is not a perfect square. Since 31² = 961 < 1000 < 1024 = 32², the first perfect square with four digits is 1024, option (B).