A man covers a distance of 6 km at the rate 4 kmph and other 4 km at 3 kmph. His average speed is
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average speed = total distance / total time
time = distance / speed
6 km / 4 kmph
1.5 hrs
4 km / 3 kmph
1.34 hrs
6 km + 4 km/ 1.5 hrs + 1.34 hrs
10 km / 1.84 hrs
5.43 kmph
time = distance / speed
6 km / 4 kmph
1.5 hrs
4 km / 3 kmph
1.34 hrs
6 km + 4 km/ 1.5 hrs + 1.34 hrs
10 km / 1.84 hrs
5.43 kmph
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