When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

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

Spot 5 differences in two Christmas tree below:

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Can you tell a 3D object that has just two surfaces?

A dying old man wants to divide his entire land between his only two sons. Since his only wish is to treat them as equal as both of them have been too good to him, he wants to divide his land equally between them. The problem is that the land is significantly irregular in shape and thus there is no choice of cutting them into two equal halves.

Can you help him divide the land in a manner that both of his sons will be happy?