If the unit digit of a number is 7, then the unit digit of its cube is

3

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9

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7

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Solution

The correct option is A $3$
For any number which has a unit digit of 7, unit digit of its cube $(7^{3} = 343)$ is $3$

Example : $7^{3} = 343 17^{3} = 4913 27^{3} = 19683$

In all the cases, the unit digit of the cube is 3.

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Similar questions

What is the units digit of the cube of a number whose unit digit is 7?

___ is the units digit of the cube of the number whose unit digit is 7.

7

For a number ending with 7, the unit digit of its cube is equal to:

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