Below rebus represent famous DiCaprio movie. Can you name it?

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

Can you find the number?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

There was a strange boy who was born before his father. How can this be possible?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

Replace the question mark with the correct number.