Question

man walks a distance of 5 km in 2 hours then he goes in to a nearby town which is 40 kilometre in the two hours . from there he go to his office in an auto rickshaw , a distance of 5 kilometre in in one by two 2 hours. what is is his average speed during the whole journey.​

Answer 1

Answer:

Total distance covered = 5+40+5 = 50 km

Time taken =

$2 + 2 + \frac{1}{2 \: } = 4 \frac{1}{2} = \frac{9}{2} \: hours$

Average speed =

$\frac{distnce}{time }$

$= \: \frac{50}{ \frac{9}{2} }$

$= \: \frac{100}{9}$

$\: = 11 \frac{1}{9} \: kmph$