What happened when the wheel was invented?

I’m tall when I’m young, and I’m short when I’m old. What am I?

The King of a distant land had heard that Birbal was one of the wisest men in the East and so desired to meet Birbal. He sent Birbal an invitation to visit his country.

In due course, Birbal arrived in the distant kingdom. When he entered the palace he was flabbergasted to find not one but six kings seated there. All looked alike. All were dressed in kingly robes. Who was the real king?

The very next moment he got his answer. Confidently, he approached the king and bowed to him.

How did Birbal know who was the real king?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Which of the below owl is odd one out?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

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

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?