Home
Class 14
MATHS
Two trains of equal lengths take 10 seco...

Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time (in seconds) will they cross each other travelling in opposite direction? `10` b. `12` c. `15` d. `20`

Promotional Banner

Topper's Solved these Questions

  • PROBLEMS ON NUMBERS

    RS AGGARWAL|Exercise All Questions|150 Videos

  • PROFIT AND LOSS

    RS AGGARWAL|Exercise All Questions|311 Videos

Similar Questions

Explore conceptually related problems

A train takes 10 seconds to cross a pole and 20 seconds to cross a platform of length 200 m. What is the length of the train?

A train passes two bridges of length 600 metres and 300 metres in 120 seconds and 80 seconds respectively. What is the length (in metres) of the train?

The length of trains A and B are in the ratio of 2 : 3 . They pass a statice pole in 4 seconds and 5 seconds, respectively . In what time (in seconds) will they they cross each other when they move in the same direction ?

RS AGGARWAL-PROBLEMS ON TRAINS-All Questions
  1. Two trains are running in opposite direction is with the same speed...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  11. Two trains each 100 m long, moving in opposite directions, cross ea...

    Text Solution

    |

  12. A 150 m long train crosses a milestone in 15 seconds and a train of...

    Text Solution

    |

  13. A train moving at 15 m/sec takes 20 seconds to pass a cyclist movin...

    Text Solution

    |

  14. A man standing on a platform finds that a train takes 3 seconds to ...

    Text Solution

    |

  15. A train travelling at 48 kmph completely crosses another train havi...

    Text Solution

    |

  16. Two trains running in opposite directions cross a man standing on t...

    Text Solution

    |

  17. Two trains, 130 and 110 metres long, are going in the same directio...

    Text Solution

    |

  18. Two identical trains A and B running in opposite directions at same ...

    Text Solution

    |

  19. Two stations A and. B are 110 km apart on a straight line. One trai...

    Text Solution

    |

  20. A train X starts from Meerut at 4 p.m. and reaches Ghaziabad at 5 p...

    Text Solution

    |