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?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Who is that with a neck and no head, two arms and no hands? What is it?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

Next Number in the Series,

5, 16, 49, 104, ?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?