Question

One’s digit of square of a number ends with 2 and….. is 4.​

Answer 1

Answer:

3 is the answer to the question

Answer 2

Given :  One’s digit of square of a number is 4

To Find : One’s digit of number

Solution:

unit digit   unit digit of square

0                 0

1                   1

2                  4

3                  9

4                  6

5                  5

6                  6

7                  9

8                  4

9                   1

One’s digit of square of a number is 4

Then One’s digit of number can be 2 or 8

One’s digit of square of a number ending with 2 and 8  is 4.​

One’s digit of number are 2 or 8  whose square ends with 4

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