Which of the following numbers is not a perfect square?

We know that,

As per the properties of square,


All the numbers that end with digits 2, 3, 7 or 8 are not a perfect square


Hence,


Considering the property, we get


The number 5478 is not a perfect square


As the last digit of the number is 8.


Therefore,


Option (C) is the correct option

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