Question

find the largest perfect square number that is smaller than the largest 6 digit number

Answer 1

The greatest six digit number  = 999,999

we know that 10002 = 1,000,000 which is only 1 more than 999,999

 so  the greatest six digit number which is perfect square = (1000 -1)2

 = ( 999)2 

 = 998,001

 

Answer is 998,001.

 

Answer 2

Find the largest perfect square number that is smaller than the largest 6 digit number

largest 6 digit number = 999999

now for finding the  largest perfect square number that is smaller than the largest 6 digit number

√999999

= 999 . 999...........

let us round of it to befoe hundered

999

now

999 *999

=> 99801

hence 99801 is  the largest perfect square number that is smaller than the largest 6 digit number

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