There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

You need to arrange three 7 and mathematical symbols to form number 1?

Identify the hidden meaning behind this picture?

Why 1729 is a magic number? Answer Logically.

Name a key which is hardest to turn.

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.