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3. square-square root and cube-cube root
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Q105 of 142 Page 88

What is the least number that should be subtracted from 1385 to get a perfect square? Also find the square root of the perfect square.

Given: 1385

e.JPG


Hence, the least number is 16, which should be subtracted from 1385 to get a perfect square and the required perfect square number will be = 1385 – 16 = 1369


Then, = 37


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103

Find the square root of the following by long division method.

(a) 1369 (b) 5625

104

Find the square root of the following by long division method.

(a) 27.04 (b) 1.44

106

What is the least number that should be added to 6200 to make it a perfect square?

107

Find the least number of four digits that is a perfect square.

Questions · 142
3. square-square root and cube-cube root
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