"A man on tour travels 160 `k m`by car at 64 `k m//h r`and another 160 km by bus at 80 `k m//h r`.
Channel: Doubtnut
Date: 2020-04-05

"A man on tour travels 160 `k m`by car at 64 `k m//h r`and another 160 km by bus at 80 `k m//h r`. The average speed for the whole journey is`3. 55\ k m//h r`b. `71. 11\ k m//h r`c. `36\ k m//h r`d. `71\ k m//h r`"