1.

Se 11.21.in 45 minutes. How long willA train running at a speed of 80 km/h can cover a certain distit take to cover the same distance if its speed is increased by 10h?2. At the speed of 18 km/h, a cyclist coYCrthe so

Answer»

speed = distance/time speed is 80 km/h so in 45 min covered distance is 60 km. speed is increased by 10 so new is 90km/h so to cover 60 km require time is 40 min.



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