Mathematics
For each of the following, find the least number that must be added so that the resulting number is a perfect square.
511
Sq & Sq Roots
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Answer
Using division method:
Clearly, 511 is greater than 222.
∴ On adding the required number to 511, we shall be getting 232 i.e, 529.
So, the required number = 529 - 511 = 18.
Hence, 18 should be added to 511.
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