Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

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?

Look at the picture and find out which square is not linked with any of the other squares.

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Which Travels Faster? Solve below famous picture riddle:

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

I’m tall when I’m young, and I’m short when I’m old. What am I?