Which number should replace the question mark?

Can you count the number of children in the picture below

What is the word or phrase?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

What does the rebus below mean?

TEN BADTION

I’m orange, I wear a green hat and I sound like a parrot. What am I?

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 so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?