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A man covers first 100 km of his journey at 50 km/hr, next 120 km at 54 km/hr and

1 thought on “2200<br />400<br />1200<br />1500<br />1800<br />A man covers first 100 km of his journey at 50 km/hr, next 120 km at 54 km/hr and”

1. Answer:

   Average speed= Total distance / total time

   first 100 km at 50km/h so time taken= Distance/time

   100/50= 2hrs.

   next 120 km at 54km/h so time taken 120/54=2.2 hrs

   last 30 km at 60 km/h so 30/60=1/2 hrs

   Step-by-step explanation:

   total time=2+2.2+0.5=4.7 hrs

   total distance = 100+120+30=250km

   that will give u answer

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