What has 13 hearts but no other organs?
In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?
What has to be broken before you can use it?
It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.
Can you identify what word it is?
What does this simple rebus mean?
Why are televisions attracted to people?
My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?
In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?
Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"
How did he know his companion was smiling?
Solve the mathematical equation in the picture below.
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.