Find the square root of 15129 by the Division Method.

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117

107

123

127

answer is C.

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Detailed Solution

Concept: To begin, separate the numerals into pairs of two, beginning with the digit on the right. The divisor whose square is smaller than or equal to the pair on the far left is then chosen to be the greatest number. To achieve the desired outcome, follow these procedures after doubling the divisor each time.
We will use long division method
In this, the numbers are first divided into two groups called periods, each beginning at the unit place.
Use the biggest number whose square is the same as or less than the number for the first period.
Bring the second period down to the right of the remainder after deducting the divisor and quotient product from the first period. This will become a new dividend.
We can calculate the square root in this way.
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