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.

general knowledge math & puzzles

  1. 50

  2. 40

  3. Can't Calculate as the series goes into an infinite Geometric Progression

  4. The bird gets too tired to fly after one hour.

Show answer
Correct Option: B

Find more quizzes: