A car travels at the speed of 50 km hr for the first half of the journey and at the speed of 60 km h...........

Quantitative Aptitude (RRB NTPC) Time & distance

A car travels at the speed of 50 km/hr for the first half of the journey and at the speed of 60 km/hr for the second half of the journey. What is the average speed of the car for the entire journey?

54.54 km/hr

36.36 km/hr

50.5 km/hr

45.45 km/hr

छोटे Courses बड़े Results

Master Time & distance

Prepare through Micro-courses

Try Now

Explanation:

Let the total distance = 2D

D/50 + D/60=Total time

Average speed =2D/(D/50 + D/60)= (2X50X60)/110

=600/11 = 54.54 km/hr

By: Barka Mirza

Profile ResourcesReport error

Submit Error

Let's Discuss

Post Comment

Explore
Micro
Courses

Free
Video
Courses

Free
Test
Series

Free
PDF
Documents

Back to Main Page

A car travels at the speed of 50 km hr for the first half of the journey and at the speed of 60 km h...........

Try Now

Explanation:

Let's Discuss

Try Now

Search below