Q4 of 114 Page 3

Find the greatest number of 5 digits which is a perfect square.

We know that,

Greatest 5 digit number = 99999



The remainder is 143


Therefore,


The greatest 5 digit perfect square number is:


99999 – 143


= 99856


Hence, 99856 is the required greatest 5 digit perfect square number


More from this chapter

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2

Find the least number which must be subtracted from the following numbers to make them a perfect square:

(i) 2361


(ii) 194491


(iii) 26535


(iv) 161605


(v) 4401624

 3

Find the least number which must be added to the following numbers to make them a perfect square:

(i) 5607


(ii)4931


(iii) 4515600


(iv) 37460


(v) 506900

 5

Find the least number of 4 digits which is a perfect square.

 6

Find the least number of six digits which is a perfect square.