Study the following table and answer the question that follows.
| City | Population | Men : Women |
| Chandigarh | 1090 | 1 : 1 |
| Kalka | 900 | 3 : 1 |
| Ludhiana | 1510 | 3 : 2 |
| Ambala | 2015 | 2 : 3 |
| Jalandhar | 1500 | 4 : 3 |
What is the difference between the number of men in Chandigarh and Ambala?
The difference between successive discounts of 25% followed by 12% and 20% followed by 15% on the marked price of a saree is ₹50. The marked price of the saree is:
A cylinder has a total surface area of 2112 cm2. Find the radius of the cylinder if its curved surface area is \(\frac{5}{12}\) of total surface area.\(\text{(use } \pi = \frac{22}{7}\text{)}\)