Question

95
Distance between two trains is 200 km. Both
started at a time towards each other with
speeds 20 km/hr and 30 km/hr respectively. A
bird that can fly at 100 km/hr flies off the fron
of one end and heads directly for the other train.
On reaching the other train, the bird flies directly
back to the first train and so frith. what is the
total distance the bird travels before the cars
collide ?
1) 225 km
2) 325 km
3) 400 km
4) 475 km​

Answer 1

Answer:

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