Question

What will be the unit digit of the squares of the following numbers?
81
272l799
1234
26387
52698
12796
3853
9988​

Answer 1

Answer:

In the square of 81 unit digit is 1

In the square of 2721799 the unit dight is 1

In the square of 1234 the unit digit is 6

In the square of 26387 the unit digit is 9

In the square of 52698 the unit digit is 4

In the square of 12796 the unit dight is 6

In the square of 3853 the unit digit is 9

In the square of 9988 the unit digit is 4

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