A car moves with a speed of 40km/h for 15minutes and then with a speed of 60km/h for next 15 minutes.find the total distance covered by the car in these 30 minutes.
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Distance covered in first 15 mins.
Distance = Speed × Time
D = 40 × 15/60
D = 10 Km
Distance covered in next 15 mins.
D = 60 × 15/60
D = 15 Km
Total distance = 15 + 10 = 25 Km
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