How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

What's a single-digit number with no value?

In the image given, you can find several triangles. Can you count them all?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What word does this rebus represent?

meta meta
meta meta

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

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?