What does this rebus riddle means ?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

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?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

What does the below rebus puzzle mean?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

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

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

Can you name some countries which do not have the alphabet 'A' in them?