sahil went first 10km by 5km and next 20km by 4km. find the average speed of sahil
Answers
Answered by
1
speed for first 10 kilometres = 5km/hr
speed for 2nd 20 kilometres = 4km/hr
time take for 1st 10km = 5/10 = 1/2 hr
time taken for 2nd 20 km,= 20/4 = 5 hr
average speed = 10+ 20 / 5+1/2
30 /11/2
= 30*2/11
60/11
= 5. 432km/hr
Similar questions