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?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

When it's bad luck to meet a black cat?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What goes up but never comes down?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Can you place six X (crosses) in below board without making three in a row in any way ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?