-1 ) In a journey of 100 km, a car travels first 25 km with a constant velocity of 50 kmh then it covers next 50 km in 15 min and remaining 25 km it travels with a speed of 100 kmh-!. Determine the average speed of the car's journey
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A loaded truck travels 14 km in 25 minutes. if the speed remains same how far can it travel in 325 min
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