Q2 of 114 Page 3

Show that the following numbers are not, perfect squares:

(i) 9327 (ii) 4058


(iii)22453 (iv) 743522

Hence, 7, 8, 3, 2 as ending numbers respectively. As mentioned above ending with 2, 3, 7, 8 are not perfect square. So, these given numbers are not perfect squares


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13

Find the smallest number by which 1152 must be divided so that it becomes a perfect square. Also find the number whose square is the resulting number.

 1

The following numbers are not perfect squares. Give reason.

(i) 1547 (ii) 45743


(iii)8948 (iv) 333333

 3

The square of which of the following numbers would be an old number?

(i) 731 (ii) 3456


(iii)5559 (iv) 42008

 4

What will be the units digit of the squares of the following numbers?

(i) 52 (ii) 977


(iii) 4583 (iv) 78367


(v) 52698 (vi) 99880


(vii) 12796 (viii) 55555


(ix) 53924