a car completes a journey in 10 hoursa car completes a journey in 10 hours.the first half at 42 km p.h. and next half at 48 km h. find the total journey
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He travels first half of the journey at the rate of 21 km/hr and second ... Find the total journey in km. ... Second Half of the distance (d/2) travelled at 24 kmph in (10-x) hrs
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