Rahul moves with a uniform speed of 30 kilometre per hour for 2 hours and come back with the uniform speed of 50 km per hour in 2 hours. find its average speed?
Answers
Answered by
1
Answer:
15km/hr.
Explanation:
speed of Rahul when he was going =30/2=15km/hr. speed of Rahul when he was coming =50/2=25km/hr. so avg.speed of Rahul=(15+25)/2=30/2=15km/hr.
Answered by
1
Answer:
distance traveled by rahul while going
= 2 × 30
= 60km
distance traveled by rahul while coming
= 2×50
= 100km
Therefore, average speed
= Total distance traveled
total time taken to travel
= 60 + 100
2 + 2
= 160
4
= 40km/h
Similar questions