Checking for square - Cheenta Academy

This topic has 1 reply, 2 voices, and was last updated 6 years ago by Srijit Mukherjee.

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June 9, 2019 at 10:06 am #29095
Agamdeep Singh
Participant
Question from a past assignment:
Can a number written with one hundred 0’s, one hundred 1’s, and one hundred 2’s be a perfect square?
June 10, 2019 at 3:07 pm #29117
Srijit Mukherjee
Participant
Sum of the digits is 300.
Implies divisible by 3 but not by 9.
Hence not a perfect square.
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