Find the square root of 529 using long division method.

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answer is A.

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Detailed Solution

Given number is 529.
Write this number inside the box, and divide its first term with the largest number whose square is less than this number.
Here first digit is 5 and 2 is number whose square (4) is less than 5.
Question Image

Now, we get the reminder 1 and 2 as quotient. Now let 29 with to make the number 129. Add 2 in divisor to make it 4. Now, here 43 will be the number which can divide the number completely. Thus, write 3 at the quotient part.
Here, we get,
Quotient=23
Reminder =0
So,

\sqrt{529} = 23

Correct option is 2.

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