BPSC 45th Exam Prelims 2003 Solved Paper

Question : 119 of 150

Marks: +1, -0

A car driver drives a car a with average speed of 40 km/h from plain to a hilly place, on return journey his speed is 20 km/h. The average speed of his car in total covered distance of 400 km is –

25 km/h
30 km/h
24.33 km/h
26.67 km/h

Validate

Solution:

Total distance

=200+200

=400 {km}

Total time

=\;{200}/{40}+\;{200}/{20}

=5+10

=15

hours
Average speed

=\;{400}/{15}=26.67 {km} {/} {hr}

Go to Question:

Prev Question

Next Question