প্রশ্ন ও উত্তর
A train went 300 miles from city X to city Y at an average speed of 80 mph. At what speed did it travel on the way back if its average speed for the whole trip was 100 mph?
গণিত Time and Distance 07 Oct, 2020
প্রশ্ন A train went 300 miles from city X to city Y at an average speed of 80 mph. At what speed did it travel on the way back if its average speed for the whole trip was 100 mph?
সঠিক উত্তর
133.33 mph
মন্তব্য
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