Question

Find the missing digit in 1040* so that the number becomes a perfect square. Please answer with explanation ​

Answer 1

Answer:

4

Step-by-step explanation:

102x102 =10404 is a perfect square

Answer 2

The missing digit is 4. Then the no. will become 10404 and it is a perfect square. Its square root is 102. We can check it by long division method to find the square root. I hope you know that method. In that method we want to make pair of numbers from the left side including the missing digit and when the process continues we can easily find the missing digit.

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