Maharashtra BoardEnglish MediumSTD 8MathsSquares and Square Roots2 Marks
Question
Find the least number of three digits which is perfect square.
✓
Answer
Let us make a list of the squares starting from 1.
$1^2=1$
$2^2=4$
$3^2=9$
$4^2=16$
$5^2=25$
$6^2=36$
$7^2=49$
$8^2=64$
$9^2=81$
$10^2=100$
The square of 10 has three digits. Hence, the least three-digit perfect square is 100
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