Question

(11) Find greatest 3 digit number which is a perfect square.​

Answer 1

$\huge\mathfrak\red{Answer :) }$

⟹ 381 is the answer of this question ok

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Answer 2

Answer:

961

Explanation:

We know that the largest 3 digit number is 999. So we will find out the square root of 999 by long division method and check whether it is a perfect square or not.

So, 999 is not a perfect square as it leaves 38 as remainder.

If 38 will be added to 999 then it will become a 4 digit number. Therefore to find the largest 3 digit perfect square we will subtract 38 from 999.

999 - 38 = 961.

Hence 961 is the largest 3 digit perfect square whose square root is 31.