Which of the below owl is odd one out?

What is black when you buy it, red when you use it, and gray when you throw it away?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

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

Why did Buffon take the goal with him after every Juventus match?

What will you call your mother's brother's brother-in-law?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?