You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What happened when the wheel was invented?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Next Number in the Series,

5, 16, 49, 104, ?

A father's child, a mother's child, yet no one's son.

Who am I?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

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 ?