A4 Paper Mystery Quiz - Quiz Questions
Test your understanding of A-series paper sizes, mathematical principles, and practical applications.
1. What is the approximate standard aspect ratio ($\text{Length}:\text{Width}$) of A-series paper (e.g., A4)?
- A. $1 : 1$
- B. $3 : 2$
- C. $\sqrt{2} : 1$
- D. $\phi$ (Golden Ratio) $: 1$
2. What is the defined area of an A0 paper?
- A. $0.5 m^2$
- B. $1 m^2$
- C. $1.5 m^2$
- D. $2 m^2$
3. How many A4 sheets can be cut from one A0 sheet?
- A. 8 sheets
- B. 16 sheets
- C. 32 sheets
- D. 64 sheets
4. [Calculation] If a type of office paper has a density of $80 g/m^2$ (80gsm), what is the weight of one sheet of A4 paper?
- A. $4 g$
- B. $5 g$
- C. $8 g$
- D. $10 g$
5. If you want to reduce an A3 document to A4 paper using a copier, what is the approximate scaling percentage to choose?
- A. $50\%$
- B. $71\%$
- C. $84\%$
- D. $141\%$
6. If a paper has an aspect ratio of $2:1$, what is the new aspect ratio after folding it in half?
- A. $1 : 1$ (Square)
- B. $2 : 1$ (Unchanged)
- C. $1.5 : 1$
- D. $\sqrt{2} : 1$
7. What are the exact dimensions of A4 paper in millimeters?
- A. $210mm \times 297mm$
- B. $216mm \times 279mm$
- C. $250mm \times 353mm$
- D. $200mm \times 300mm$
8. Why does US Letter paper ($8.5 \times 11$ inch) commonly used in North America lack the scaling advantages of A4 paper?
- A. Because it is too large
- B. Because its aspect ratio is approx. $1.29$, not $\sqrt{2}$
- C. Because its unit is inches instead of millimeters
- D. Because it is more expensive than A4 paper
9. What is the mathematical property of the aspect ratio of $\{ \dots, A4, A3, A2, \dots \}$ paper called?
- A. Golden Ratio
- B. Silver Ratio
- C. Bronze Ratio
- D. Platinum Ratio