Question

49. 8) A car moves with a speed of 8 0 km/hr for 15 minutes and then with a speed of 60 km/hr for the next 15 minutes. The total distance covered by the car is:​

Answer 1

Car's speed = 40 km/h

Time = 15 mins. = 0.25 hrs.

Distance = Speed × Time = (40 × 0.25) km = 10 km.

PART - 2

Car's speed = 60 km/h.

Time = 15 mins. = 0.25 hrs.

Distance = Speed × Time = (60 × 0.25) km = 15 km.

So, Total distance travelled = (10+15) km = 25 km

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Answer 2

Answer:

35km

Explanation:

It moves 80 km per hour for 15 minutes and fifteen minutes is ¼ of 1 hour. so , 80÷4=20

20km

It moves 60km per hour for 15 minutes and fifteen minutes is ¼ of 1 hour. so , 60÷4=15

15km

20km + 15km = 35km

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