Suraj completes \( \frac{1}{12} \) of a work in nine days. At this rate, how many more days will he take to complete the work?
Zakir travels from City A to City B. If Zakir drives his car at \( \frac{3}{8} \) of his normal speed, then he reaches City B 45 minutes late. Find the time (in minutes) that Zakir would have taken to travel from City A to City B if he drove at his normal speed.
400 guavas were bought at ₹1,230 per hundred and were sold at a profit of ₹880. Find the selling price (in ₹) per dozen of guavas.