Complete the table series riddle by finding the number that can replace "??".

What is the centre of gravity?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

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?

Why did the Girl throw the butter out of the window?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What does Alexander the Great and Winnie the Pooh have in common?

The owner of a popular clothing store comes up with his own method of pricing items. A vest costs $8, socks cost $10, a tie costs $6, and a blouse costs $12. Using the owner’s method, how much would a pair of underwear cost?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?