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50 km / h for 12 hours R-c) - A car driv...

50 km / h for 12 hours R-c) - A car driver 50 km / h to reach his destination 150 km away. Goes at a speed of 30 km / h while returning. For the whole trip 50 per The average speed in km / h is- (a) 35 (b) 37.5 Answer - (d) 12 (c) 37 (d) 40 Question-13

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