A car travels the first 25 km of its journey at an average speed of 35 km/h and the remaining 50 km at an average speed of 45 km/h. Find the average speed of the car for its entire journey.
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Answer:
Correct option is C)
Total distance covered by car =39+25=64 km
Total time taken to travel =
60
45
+
60
35
=
3
4
hr
Average speed =
Total time taken
Total distance traveled
=
4/3
64
=
4
64×3
=
4
192
=48 kmph
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