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Q.

What will be the unit digit of the square of the number “1234”?

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a

3

b

4

c

5

d

6

answer is D.

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Detailed Solution

Concept: We only need to square the unit digit of 1234 in order to determine the unit digit of the square of the provided number. The acquired result's unit digit is our response.
Given, 1234 is the number
The number 1234's unit digit is 4. The square of the number four is now represented as,
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16 has a unit digit of 6, which is. Consequently, the square of the number "1234"'s unit digit is 6.
Hence, the correct option is 4.

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