Question

10. A car moves with a speed of 40 km/h for 15 minutes and then with a
speed of 60 km/h for the next 15 minutes. The total distance covered by
the car is:
(1) 25 km
(i) 100 km
ii) 15 km
​

Answer 1

Answer:

⭐ PART - 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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