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Nishi travels to a shopping mall at a speed of 21 km/hr and returns at a speed of 77 km/hr. What is her average speed (in km/hr) for the entire journey?
33
39
34
23
33
Practice and solve "Nishi travels to a shopping mall at a speed of 21 km/hr and returns at a speed of 77 km/hr. What is ..." for Mathematics - Previous Year Paper 2024. The correct answer is Option A: 33. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Nishi travels to a shopping mall at a speed of 21 km/hr and returns at a speed of 77 km/hr. What is ..." for Mathematics - Previous Year Paper 2024. The correct answer is Option A: 33. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.