Replace the question mark with the correct number in the below-given picture?

Why do people go to bed?

What is the coolest letter in the alphabet?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

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

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

Can you place three balls such that the equation shown in the picture holds true?

Can you solve the photo plexer logic ?