What has many keys but can’t open a single lock?

What jumps when it walks and sits when it stands?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

Kids with the most attentive eyes can spot a different watermelon in 4 seconds. Can you? Test your eyes now!

How can you write nineteen in a manner that if we take out one, it becomes twenty?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

If an electric train is travelling south, then which way is the smoke going?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?