0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

# A car moving on a straight road covers one third of a certain distance with 20 Km/h and the rest with 60 Km/h. The average speed is :50 km/h40 km/h36 km/h55 km/h

A
50 km/h
B
36 km/h
C
40 km/h
D
55 km/h
Solution
Verified by Toppr

#### Given,Velocity for one third of distance V1=20km/h Velocity for two third of distance V2=60km/h Time take to cover one third of distance t1=d/3V1=d/320 Time taken to cover two third of distance t2=2d/3V2=2d/360 Average velocity =Totaldistancetotaltime Vav=dt1+t2=dd/320+2d/360=36km/h

460
Similar Questions
Q1
A car moving on a straight road covers one third of a certain distance with 20 Km/h and the rest with 60 Km/h. The average speed is :
View Solution
Q2

A car moving on a straight road covers one third of the distance with 20 km/hr and the rest with 60 km/hr. The average speed is

View Solution
Q3
One car moving on a straight road cover one third of the distance with 20 km/hr and the rest with 60 km/hr. The average speed of the car is
View Solution
Q4

A car moving on a straight road covers one third of the distance with 20 km/hr and the rest with 60 km/hr. The average speed is

View Solution
Q5
A car travels 1/3 of the distance on a straight road with a velocity of 10 km/h, next one-third with a velocity of 20 km/h and the last one-third with a velocity of 60 km/h. Then the average velocity ofthe car (in km/h) during the whole journey is
View Solution