Cristina was born in 1888. She just had her 30th birthday today how did that happen?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

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

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

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

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?

Below rebus represent famous DiCaprio movie. Can you name it?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Next Number in the Series,

5, 16, 49, 104, ?