Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

What is the riddle which can be asked all day with a different correct answer each time.

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

The more of this there is, the less you see. What is it?

Which is the correct shadow of the bird?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Give it food and it will live; give it water and it will die.