There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

Which letter of the alphabet has the most water?

In the image given, you can find several triangles. Can you count them all?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

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 ?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

What number when divided in half becomes zero?