I have teeth but i don't bite. Who Am I ?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

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

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.



What is the possibility that one of the piles will have a card sequence from A to K in order?

How can you make number one disappear by adding something to it?

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?

Prove that the below maths equation is true.

8 + 8 = 91