Since, 99 is the largest 2 digit no. and after doing the process of finding the square root , the remainder 18 is left with 9 as quotient.
Therefore,
99-18 = 81
And we know that 9?9 i.e. square of 9 is 81.
Therefore the largest 2 digit no. which is a perfect square too is 81.
Therefore,
99-18 = 81
And we know that 9?9 i.e. square of 9 is 81.
Therefore the largest 2 digit no. which is a perfect square too is 81.
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