What is the next number in this series?

4,12,84,3612....

During which month do people sleep the least?

What number should come in place of the question mark below?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

A solo dice game is played. In this game, upon each turn, a normal pair of dice is rolled and the score is calculated not by adding the numbers but multiplying them.

In a particular game, the score for the second roll is five more than what was achieved in the first roll. The score for the third roll is six less than what was completed in the second roll. The score for the fourth roll is eleven more than what was achieved in the third. The score for the fifth roll is eight less than what was completed in the fourth.

Can you calculate the score for each of the five throws?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

Which is the correct shadow of the bird?