Math, asked by dafloxiii7906, 1 year ago

A person goes to certain place at the speed 4kmph. he returns on bicycle at the speed of 16kmph. find his average speed during the whole journey

Answers

Answered by vrsanjatp7vgr0

4

whole speed =2xy/x+y
=2×4×16/16+4
=128/20
=6.4km/h

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