Before Mount Everest was discovered, what was the highest mountain in the world?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

What is the word or phrase below?
R | E | A | D

Why is the longest human nose just 11 inches?

There is something which you can be arrested for attempting but not for successfully completing.

People put me on the table and cut me but do not eat me. What am I?

Can you count the number of triangles in the given figure?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?