Question

find the largest number of 2 digits which is a perfect square​

Answer 1

81 is the largest two digit number which is a perfect square

Answer 2

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Q. Find the largest number of 2 digits which is a perfect square.

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${9}^{2} = 81.$

Let's try other no.

${10}^{2} = 100.$

No. here is see clearly 10 of square be 100 which is 3-digits no.

So,

We can say that the square of largest 2 digit no be 9.