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प्रश्न
Find the number of digits in the square root of the following numbers (without any calculation).
27225
उत्तर
Since the number of digits in 27225 is 5( = n), which is odd.
Then its square root will have `(n + 1)/2` digits.
Number of digits = `(5 + 1)/2`
= `6/2`
= 3
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