Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

what does the below math rebus puzzle mean?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

When is the top of a mountain similar to a savings account?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?