Exercise Problems II — task. Mathematics CBSE, Class 8.

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Answer variants:

$1$

$9$

$5$

$6$

$0$

$4$

What could be the possible ‘one’s’ digits of the square root of each of the following numbers?

1.

$998001$

The unit digit of the square root of

$998001$ is either

or

.

2.

$657666025$

The unit digit of the square of

$657666025$ is

.

[Note: Enter the answer in the ascending order.]

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