Solve the rebus riddle in the picture below.

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

How many triangles are there in the picture below?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

What occurs twice in a week, once in a year but never in a day?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

Who is that with a neck and no head, two arms and no hands? What is it?

What has no start, end, or centre?

Complete the table series riddle by finding the number that can replace "??".