Question

TRY THESE Find whether each of the following numbers is a perfect square or not? (i) 121 (ii) 55 (ii) 81 (iv) 49 (v) 69

Answer:

(i) 11×11=121 (yes)
(ii) 5×11=55 (no)
(iii) 9×9=81 (yes)
(iv) 7×7=49 (yes)
(v) 23×3=69 (no)


It is very useful and very easy.​

Answer 1

Answer:

(i) 11×11=121 (yes)

(ii) 5×11=55 (no)

(iii) 9×9=81 (yes)

(iv) 7×7=49 (yes)

(v) 23×3=69 (no)