Question

find the largest number of 4 digit which is a perfect square

Answer 1

9981 is the right answer

Answer 2

hye

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largest 4 digit  no. = 9999

now let us find the square root 

=>√9999

=>99.99.....................

let us round of 99.99........... to the next least hunderd


so we write 99 [approx]


now let us find the sqaure of 99


=>99²

=> 9801

∴answer is 9801

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hope it helps u ..............