Find out the missing number in the picture attached:

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

Spot 5 differences in two Christmas tree below:

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Who is that with a neck and no head, two arms and no hands? What is it?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

What does a man do only once in his lifetime, but women do once a year after they are 29?

What jumps when it walks and sits when it stands?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?