Osmanian

Indian constitutional Developments - mock test Interactive Quiz - Constitutional Developments | [Your Website Name] Enter Your Name to Start the Constitutional Developments Quiz Start Quiz Questions Attempted: 0 | Correct Answers: 0 | Percentage: 0% Previous Next

21. Weighted averages Home page of Arithmetic Problems Below are 10 weighted averages problems, each with a step-by-step solution procedure and detailed explanation. Weighted averages are used when different groups or items contribute unequally to the overall average, with weights reflecting their relative contributions (e.g., quantities, frequencies, or proportions). The key formula is: Weighted Average = (Sum of (Value × Weight)) / (Sum of Weights) Problems may involve mixing quantities (e.g., prices, concentrations), averaging speeds, grades, or other metrics with weights like quantities, time, or counts. Units vary (e.g., dollars/kg, km/h, percentages), and each problem explores different scenarios for a comprehensive understanding. I’ll ensure clarity with step-by-step solutions and detailed explanations, addressing potential pitfalls. Problem 1: Mixing Two Quantities A shopkeeper mixes 20 kg of rice at $5/kg with 30 kg of rice at $6/kg. Find the average price per kg of the mixtur...