Find the greatest number of two digits which is a perfect square.

To do:

We have to find the greatest number of two digits which is a perfect square.

Solution:

The greatest two digit number is $99$.

We know that,

$9^2 = 81$ and $10^2 = 100$

$99$ is in between $81$ and $100$

Therefore,

$81$ is the greatest two-digit number which is a perfect square.

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Updated on: 10-Oct-2022

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