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A car travels at speed of 40 km/h for two hours and then at 60km/h for three hours what is the average speed of car during entire journey
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HEYA !! FRIEND
Average speed = Total distance travelled / Total time taken
Distance = 40 km [ 1 hr ]
= 40 × 2 = 80 km in 2 hrs
= 60 km [ 1 hr ]
= 60 × 3 = 180 km in 3 hrs
Total distance = 180 + 80 = 260 km
Total time = 2 + 3 = 5 hrs
Average speed = 260 / 5
= 52 km/hr
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