What does this below rebus puzzle mean?

I have an eye but still cannot see.

Who am I?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

What demands an answer, but asks no questions

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?