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Two trains are coming from opposite dire...

Two trains are coming from opposite directions with speeds of 75 km/hr and 100 km/hr on two parallel tracks. At some moment the distance between them is 100 km. After T hours, distance between them again 100 km. T is equal to `1\ h r` b. `1 1/7h r` c. `1 1/2h r` d. `2\ h r s`

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RS AGGARWAL-PROBLEMS ON TRAINS-All Questions
  1. Two trains A and B start running together from the same point in th...

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  2. Two trains of lengths 120 m and 90 m are running with speeds of 80 ...

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  3. Two trains are coming from opposite directions with speeds of 75 km/hr...

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  4. A train 125 m long passes a man, running at 5 kmph in the same directi...

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  5. A train 400 m long overtook a man walking along the line in the same...

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  6. A train, 240 m long, crosses a man walking along the line in opposi...

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  7. A train 75 m long overtook a person who was walking at the rate of 6...

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  8. If a train takes 1.75 sec to cross a telegraphic post and 1.5 se...

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  9. Two trains of equal length are running on parallel line's in the sa...

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  10. A 270 m long train running at the speed of 120 kmph crosses another...

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  11. Two trains are running in opposite direction is with the same speed...

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  12. A 180 -metre long train crosses another 270- metre long train runnin...

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  13. Two trains of equal lengths take 10 seconds and 15 seconds respectiv...

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  14. A train 108 m long moving at a speed of 50 km/hr crosses a train 11...

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  15. A train B speeding with 120 kmph crosses another train C running in...

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  16. One local and another express train were proceeding in the same dire...

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  17. Two trains travel in opposite directions at 36 kmph and 45 kmph and...

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  18. A train 240 m long crosses a man walking along the line in opposite di...

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  19. Two men are running in the same direction with speeds of 6 km per ho...

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  20. What is the speed of a train if it overtakes two persons who are wal...

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