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67.Two trains each having a speed of 30km/hr are headed towards each other on same straight track . A bird that can fly at 60km/hr flies off one train when they are 60km apart and heads directly for other train. On reaching other train , it flies directly back to first train and so on A) how many trips can the bird make from one train to the other before they crash? B)what is the total distance the bird travels? |
| Answer» 67.Two trains each having a speed of 30km/hr are headed towards each other on same straight track . A bird that can fly at 60km/hr flies off one train when they are 60km apart and heads directly for other train. On reaching other train , it flies directly back to first train and so on A) how many trips can the bird make from one train to the other before they crash? B)what is the total distance the bird travels? | |