An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

What does this rebus puzzle means ?

How many letters are in the alphabet?

Solve below rebus puzzle?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

What can you hold in your right hand, but never in your left hand?

The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82

Can you find the key in the picture below?

Can you name four days which start with the letter 'T'?