(:
of a certain journey is covered at the rate of
3
25 km b. - at the rate of 30 km/h and the rest
4
of 50 km/h. What is the average speed for the
whole journey
(1) 30 kmh (2) 33 kmh (3) 33 km/h (4) 32 km/h
) h
Answers
Answer:
Correct Answer:
B) 3313km/ hour
Description for Correct answer:
Let the total distance = 1200 km
Total time taken
=40025+30030+50050
16+10+10=36 hours
Average speed = TotaldistanceTotaltime
=120036=3313 km/hr
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