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

What has to be broken before you can use it?

What is the next number in this matchsticks series riddle?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

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

Who am I?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you name four days which start with the letter 'T'?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process