Question 27

Fill in the blanks to make the statements true.

The unit's digit in the square of 1294 is ___

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Solution

6
We know that, the unit's digit of the square of a number having digit at unit's place as 4 or 6 is 6.
Hence, the unit's digit in the square of 1294 is 6 as $4 \times 4 = 16.$

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