What is black when you buy it, red when you use it, and gray when you throw it away?

Can you find the thief by just looking at the picture below?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

Spot 5 differences in two Christmas tree below:

Which country gets ill every time?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I look at you, you look at me, I raise my right, you raise your left. What am I?

I have branches, but no fruit, trunk or leaves. What am I?