एक मरीज को 3 माइक्रोग्राम प्रति मिनट की दर से दवा देने का आदेश दिया जाता है। तैयार IV घोल में 1000 mL नॉर्मल सेलाइन में 4 mg दवा शामिल है। पंप पर जलसेक (infusion) की दर प्रति घंटे कितने मिलीलीटर निर्धारित की जानी चाहिए?

In a camp, food supplies are available for 21 students for 30 days. If the number of students in the camp is increased to 70, in how many days will the same food supplies last?

Three individuals, X, Y, and Z, are co-sureties for a business loan of ₹1,20,000 granted to a firm. They have agreed to different maximum liability limits: X up to ₹20,000, Y up to ₹40,000, and Z up to ₹80,000. The firm defaults on the entire amount of ₹1,20,000. Calculate the amount each co-surety is liable to pay according to Section 147 of the Indian Contract Act.