A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

Replace the question mark in the picture below.

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

Count the Triangle in the figure given below:

A sundial has the fewest moving parts of any timepiece. Which has the most?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

What is red and smells like blue paint?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?