A train covered first 120 km at a speed of 20 km per hour and then covered the remaining 180 km at a speed of 45 km per hour. Find its average speed
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6
Answer:
Total distance = 120 + 180 = 300 km. Time taken for the first 120 km = 120/20 → 6 hrs.
Time taken for the next 180 km = 180/45 → 4 hrs. Total time taken = 6 + 4 = 10 hrs.
Average Speed =Total Distance Travelled/Total Time Taken = 300/10 = 30 km/hr.
Step-by-step explanation:
Answered by
4
Answer:
Average speed =total distance/covered total time
Total Distance =16 +20 +10 =46km
Time taken=1620+ 2040+1015 =45+12+23= 24+15+2030 =5930
Average speed =46 × 3059=232359 km/hr
Step-by-step explanation:
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