Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

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

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

What kind of storm is always in a rush?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

How many times do a clock's hands overlap in a day ?

What Time Should the last watch show in the below figure?

how come the second man dies?

Which point will the car reach to go out?