John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Why is 6 afraid of 7?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Can you find out who is the kidnapper in below Picture and why, Explain ?

I can write cow in 13 letters.

Can You?