Question

For each of the following numbers, find the smallest whole number by which it should be multiplied so as to get a perfect square number. Also find the square root of the square number so obtained.

(i) 242
(ii) 1280
(iii) 245
(iv)968
(v) 1728
(vi) 4851​

Answer 1

BELOW

Explanation:

242: multiply it by 2 to get 484 and its square root is 22

1280: multiply it by 5 to get 6400 and its square root is 80.

245: multiply it by 5 to get 1225 and its square root is 35.

968: multiply it by 2 to get 1936 and its square root is 44.

1728: multiply it by 3 to get 5184 and its square root is 72

4851: multiply it by 11 to get 53361 and its square root is 231.

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