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

who is silent in the parliament?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

What is black when you buy it, red when you use it, and gray when you throw it away?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

What has hands, but can’t clap?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

Can you spot the man between the coffee bean in the picture below ?

If six children and two dogs were under an umbrella, how come none of them got wet?