What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

You bought me for dinner but never eat me. What am I?

Which Travels Faster? Solve below famous picture riddle:

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How many bananas can you eat if your stomach is empty?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

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

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?