what does this picture(rebus) riddle means ?

O_er_t_o_

Complete the missing letters of the given word.

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

What does this rebus mean?

O
N
C
E
TIME

Count the number of lines in the image below ?

What has hands, but can’t clap?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What came first, the chicken or the egg?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?