Home
Class 6
MATHS
Solve any two sub questions from the fol...

Solve any two sub questions from the following :
Three lighthouses flash their light after every 5 sec, 10 sec and 15 sec. They flash together at 7 : 00 p.m. When will they next flash together ?

Text Solution

Verified by Experts

30 sec after 7 : 00 p.m
Promotional Banner

Topper's Solved these Questions

  • SYMMETRY

    NAVNEET PUBLICATION|Exercise QUESTION BANK |1 Videos

  • TRIANGLES AND THEIR PROPERTIES

    NAVNEET PUBLICATION|Exercise QUESTION BANK|23 Videos
NAVNEET PUBLICATION-THREE DIMENSIONAL SHAPES-QUESTION BANK
  1. Put the proper sign gt or lt in the boxes below : -6square-10

    Text Solution

    |

  2. Solve any two sub questions from the following : Marks scored by 4 s...

    Text Solution

    |

  3. Solve any two sub questions from the following : Three lighthouses f...

    Text Solution

    |

  4. Solve any two sub questions from the following : There are trees on ...

    Text Solution

    |

  5. Choose the correct alternative from those given below each statement a...

    Text Solution

    |

  6. Choose the correct alternative from those given below each statement a...

    Text Solution

    |

  7. Choose the correct alternative from those given below each statement a...

    Text Solution

    |

  8. Choose the correct alternative from those given below each statement a...

    Text Solution

    |

  9. Write answers to the following questions : What is 10% of 10?

    Text Solution

    |

  10. Write answers to the following questions : If you deposit 500 in a ...

    Text Solution

    |

  11. Write answers to the following questions : ABCDEF is a hexagon. How ...

    Text Solution

    |

  12. Write answers to the following questions : A net to prepare a cube i...

    Text Solution

    |

  13. Write answers to the following questions : In unitary method, which ...

    Text Solution

    |

  14. Solve any four sub questions from the following : Solve ：y-7=5.

    Text Solution

    |

  15. Solve any four sub questions from the following : If a bunch of 10 f...

    Text Solution

    |

  16. Solve any four sub questions from the following : Simran scored 623 ...

    Text Solution

    |

  17. Solve any four sub questions from the following : An article bought ...

    Text Solution

    |

  18. Solve any four sub questions from the following : Which shape can be...

    Text Solution

    |

  19. Solve any three sub questions from the following : What is 4% of 225...

    Text Solution

    |

  20. Solve any three sub questions from the following : 8 article were pu...

    Text Solution

    |