Understanding the Number Line

Q. Choose the pair(s) of numbers on the number line that is(are) equidistant from $0.$

1. $(-2,2)$
2. $(-3,4)$
3. $(-6,6)$
4. Pair of opposite integers

Q. An ant covers $1$ unit distance on the number line in $1$ minute. How much time the ant will take to cover from $-4$ to $3?$

1. $3$ minutes
2. $4$ minutes
3. $7$ minutes
4. None of the above

Q. A gold mine worker works $30$ feet down. Which of the following integer on the number line best expresses the movement of the worker$?$

1. 
2. 

Q. A cat sits at $10$ on the number line. If it moves by $20$ units to the left (towards zero), where will it end up?

1. $-11$
2. $-9$
3. $-10$
4. $0$
5. $-12$