Units Digits in Cube Numbers

Q. $792$

1. $63$
2. $61$
3. $60$
4. $62$

Q. If the unit digit of a number is 3. What is the unit digit of its cube?

1. 9
2. 3
3. 7
4. 1

Q. Find the numbers of perfect cubes between between 1 and 1000001 which are exactly divisible by 7.

Q. A $5\times 5\times 5$ cube is formed by using$1\times 1\times 1$ cubes. If we add another layer of such $1\times 1\times 1$cube in the $5\times 5\times 5$ cube, the what will be the number of $1\times 1\times 1$ cubes in the newly formed cube?

1. $216$
2. $294$
3. $264$
4. $343$

Q. If the unit's digit of any number is even, then the cube of the number is ___.