Q5 of 114 Page 3

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

We know that,

Least 4 digit number = 1000



The remainder is 39


Therefore,


(31)2 < 1000


Hence,


The next perfect square number is:


(32)2 = 1024 > 1000


Hence, 1024 is the required number


More from this chapter

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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

 4

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

 6

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

 7

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