Two cars start towards each other at the same time. One travels at 60 km/hr and another at 90 km/hr. A bird starts with one of the cars and flies at 400 km/hr towards the other one. When it gets to the other car, it turns and flies back towards the first and continues this to and fro flying when the cars are moving towards each other. How far does the bird travel before the cars pass each other? The distance between the cars is 3000 km.
Two cars start towards each other at the same time. One travels at 60 km/hr and another at 90 km/hr. A bird starts with one of the cars and flies at 400 km/hr towards the other one. When it gets to the other car, it turns and flies back towards the first and continues this to and fro flying when the cars are moving towards each other. How far does the bird travel before the cars pass each other? The distance between the cars is 3000 km.
The correct option is D 8000km
Option (d)
Time taken for 2 cars to meet each other = distance traveled / relative speed of cars
T= 3000(90+60)= 20 hours. The bird is traveling till the cars pass each other. The time of travel will be the time taken by the cars to pass each other. Distance traveled by bird = speed of bird × time in air = 400×20 = 8000 km
Option (d)
Time taken for 2 cars to meet each other = distance traveled / relative speed of cars
T= 3000(90+60)= 20 hours. The bird is traveling till the cars pass each other. The time of travel will be the time taken by the cars to pass each other. Distance traveled by bird = speed of bird × time in air = 400×20 = 8000 km
