Q9 of 114 Page 3

Find the greatest number of two digits which is a pefect square.

Greatest 2 digit number = 99


Hence, greatest 2 digit perfect square number is:


99 – 18 = 81


More from this chapter

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7

By what number should each of the following numbers by multiplied to get a perfect square in each case? Also find the number whose square is the new number.

(i) 8820 (ii) 3675


(iii) 605 (iv) 2880


(v) 4056 (vi) 3468


(vii) 7776

8

By What numbers should each of the following be divided to get a perfect square in each case? Also, find the number whose square is the new number.

(i) 16562


(ii) 3698


(iii) 5103


(iv) 3174


(v) 1575

 10

Find the least number of three disgits which is perfect square.

 11

Find the smallest number by which 4851 must be multiplied so that the product becomes a perfect square.