Question 102
A car covers the first 35 km of its journey in 45 minutes and covers the remaining 69 km in 75 minutes. What is the average speed of the car?
Solution
Average speed = Total distance / Total time taken
Total distance = 35 + 69 = 104 km
Total time = 45 + 75 = 120 min = 2 hr
Average speed = $$\frac{104}{2} = 52~km/hr$$
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