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1. What is a group of ten years called?
- A century
- A decade
- A millennium
- A score
Ten years make a decade.
2. What is the value of pi to two decimal places?
- 3.12
- 3.14
- 3.41
- 3.16
Pi is approximately 3.14.
3. How many degrees are in a right angle?
- 45
- 60
- 180
- 90
A right angle is 90 degrees.
4. What is the only even prime number?
- 1
- 2
- 4
- 0
2 is the only even prime number.
5. How many zeros are in one million?
- 6
- 9
- 5
- 7
One million (1,000,000) has six zeros.
6. What do the angles of a triangle add up to?
- 270°
- 180°
- 90°
- 360°
The interior angles of a triangle sum to 180°.
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