A car moves at a constant speed of 60km/hr forv1 km and 40 km\hr for next 1km what is the average speed of the car
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4
formula of average is = sum of all numbers/total number of numbers
now lets solve it
40+60 = 100
total number of numbers = 2
so average speed is = 100/2
=50 kmph
Answered by
1
At 60 km/h, the car takes 1 minute to go 1 km. At 40 km/h, the car takes 6/4 minute to go 1 km. So distance/time equals:
V=2 km/ 1 + 3/2 minutes=2/0.04166667 hours=48 km/h avg.
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