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

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

Find the missing number in the sequence below:

They are three errirs in this question. Can you find them?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Spot the cat in the picture below