Question

The unit digit in the square of the number 1000 in :- a)1 b)0 c)2 d)Non of these​

Answer 1

Answer:

option is b

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Answer 2

Given :   square of the number   1000

To Find : The unit digit in the square of the number 1000  

Solution:

Unit Digit of Number   Unit Digit of Square of number

0                                                   0

1                                                     1

2                                                   4

3                                                   9

4                                                   6

5                                                   5

6                                                   6

7                                                   9

8                                                   4

9                                                    1

Unit Digit of 1000 is  0

hence unit digit of square of number 1000 is  0

1000²  = 1000000

Hence option b is correct

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