Question

Find the smallest 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) 1280

Answer 1

Answer:

So, 7 is left alone therefore, 7 is the smallest number to be multiplied by 1008 to make it a perfect square. So, 7 is left alone therefore, 7 is the smallest number to be multiplied by 1280 to make it a perfect square.

Answer 2

Answer:

20

square root is 160

hope it helps

try to remember squares of 1 to 25 then it Will be very easy

from 11 to 22

(squares)

121

144

169

196

225

256

289

324

361

400

441

484