What has 13 hearts but no other organs?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

What goes up but never comes down?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.