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  • Two trains X and Y (80 km from each other) are running towards each other on the same track with a speed of 40 km/hr. A bird starts from the train X and travels towards train Y with constant speed of 100 km/hr. Once it reaches train Y, it turns and starts moving toward train X. It does this till the two trains collides with each other. Find the total distance traveled by the bird?

    • A)
      80 km
    • B)
      90 km
    • C)
      100 km
    • D)
      105 km