Multiple choice general knowledge

Two trains, 500 km apart, are travelling towardseach other, one at the speed of 40 kmph and the other at the speed of 60 kmph. A bird starts flying to and fro from one train to the other at a speed of 10kmph. Find the distance covered by the bird from the beginning till one hour before the two trains meet each other.

  1. 20 km

  2. 60 km

  3. 30 km

  4. 40 km
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Trains approach at combined speed 40 + 60 = 100 km/h. Distance 500 km takes 5 hours to meet. Bird flies for 4 hours (one hour before meeting). Distance = 10 × 4 = 40 km.

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