These brain teasers have been submitted by our visitors from all around the world. These quiz questions are fun for the brain and will puzzle you for some time.

We have lots more puzzles to provide fun for your brain. Have fun solving these quiz questions. Choose from the following brain games:

- In division, the numeral the dividend is divided by is called...what?
- True or False: When you add to odd numbers the sum is always odd?
- Take a look at all these numbers: 66, 22, 99, 33, 44, 55. What number greater than 1 can be divided into all these numbers without leaving a remainder?
- How many sides does a hexagon have?
- Which is measured from the circle's centre: the radius or the circumference?
- How many sides does a triangle have?
- How many feet are in a yard?
- If you add 7 to this number, you get 56. What's the number?
- Which of these numbers are prime numbers: 7, 8, 9, 10, 11, 12, 13, 14?
- Give the place value of 5 in the number 254,879.

- How many inches are in a foot?
- What number is 6 more than 7 x 8?
- Lilly has 15 pop can tabs and all together they equal $30. She dropped one and lost 2. She has $26 worth of pop can tabs. Explain.
- A boy is 2 years old, his brother is half as old as him. When the first boy is 100, how old will his brother be?
- If 7 is transformed into 13 and 11 is changed to 21 then what does 16 become?
- How many tens equal one thousand?
- Are Roman numerals given in small letters or capital letters?
- A farmer has seventeen sheep. All but nine of them die. How many sheep does he have left?
- How many sides does a decagon have?
- A boy and his big sister are sitting around the kitchen table chatting.

The boy says, "If I take two years away from my age and gave them to you, you'd be twice my age."

The sister added, "Why don't you just give me one more and then I'll be three times you age."

How old are the siblings?

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