Question
The odometer of a car reads 350 km when the clock shows the time 12:30 pm. What is the distance moved by car, if at 1 pm, the odometer reading has changed to 500 km? Calculate the speed of the car in km/min during this time. Express the speed in km/hr. [5 MARKS]
Answer:
:
Distance covered by car: 1 Mark
Speed in km/min = 1 Mark
Speed in km/hr = 1 Mark
Steps: 1 Mark
Formula: 1 Mark
Initial reading = 350 km
Final reading = 500 km
Distance covered = 500 - 350 = 150 km
Time taken = 30 minutes
Speed=distancetime=15030=5 km/min
Speed in km/hr = 5×60=300 km/hr
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:
Distance covered by car: 1 Mark
Speed in km/min = 1 Mark
Speed in km/hr = 1 Mark
Steps: 1 Mark
Formula: 1 Mark
Initial reading = 350 km
Final reading = 500 km
Distance covered = 500 - 350 = 150 km
Time taken = 30 minutes
Speed=distancetime=15030=5 km/min
Speed in km/hr = 5×60=300 km/hr
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