By Mansi Yadav

Verified by Ajay Kumar

Find the number of digits in the square root of 282429536481.

  1. 8

  2. 6

  3. 9

  4. 7

Answer: B

Solution

Solution: \(\sqrt{282429536481}=531441\). The number 531441 contains 6 digits. Therefore, the answer is 6. Trick: A 12-digit perfect square has a 6-digit square root. You can also verify that \(531441^2=282429536481\).

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