If a car is moving toward a bus at 120 km/h and the bus is moving at 90 km/h, how much time it take the car to overtake the bus in 210 km?
- 7 hours
- 5 hours
- 3 hours
- 1 hour
Explanation
Speed of the car = 120 km/h
Speed of the bus = 90 km/h
Relative speed = 120 km/h + 90 km/h = 210 km/h
Now, we can calculate the time it will take for the car to overtake the bus by using the formula:
Time =Distance/Relative Speed
Substituting the values of time
=210 km/210 km/h =1 hour
Therefore, the car will take 1 hour to overtake the bus.
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