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A car travels a total distance of 180 km, divided equally into three parts of 60 km each. On the first part, it moves at a speed of 60 km/h; on the second, it slows down to 40 km/h. On the third part, its speed increases again so that the overall average speed for the entire journey becomes 54 km/h. Find the speed of the car on the third part.
90 km/h
75 km/h
78 km/h
72 km/h
72 km/h
Practice and solve "A car travels a total distance of 180 km, divided equally into three parts of 60 km each. On the fir..." for Mathematics - Previous Year Paper 2026. The correct answer is Option D: 72 km/h. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A car travels a total distance of 180 km, divided equally into three parts of 60 km each. On the fir..." for Mathematics - Previous Year Paper 2026. The correct answer is Option D: 72 km/h. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.