Asin and Pavi have 22 and 66 coins respectively each of radius 5\( \ cm\) and thickness 1\( \ cm\). They place their coins one above the other to form solid cylinders. (Note: Take: \(\pi=\frac{22}{7})\).
Based on the above information, answer the following questions.
1. Curved surface area of the cylinder made by Asin is _________ \(sq.cm\)
2. The ratio of curved surface area of the cylinders made by Asin and Pavi is __________
3. The volume of the cylinder made by Pavi is _________ \(cm^3\)
4. The ratio of the volume of the cylinders made by Asin and Pavi is __________