Home
Class 14
MATHS
Six bells commence tolling together a...

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together? (a) 4          (b) 10        (c) 15        (d) 16

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • DECIMAL AND FRACTIONS

    RS AGGARWAL|Exercise All Questions|231 Videos
  • HEIGHTS AND DISTANCES

    RS AGGARWAL|Exercise All Questions|24 Videos

Similar Questions

Explore conceptually related problems

Six bells commerce tolling together and toll at intervals of 2, 4, 6, 8, 10, 12 minutes respectively. In 30 hours, how many times do they toll together?

Six bells commence tolling together and toll at interval of 2, 4 , 6, 8 , 10 , 12 minutes respectively . In 30 hours , how many times do they toll together ?

6 bells commence tolling together and toll of intervals are 2, 4, 6, 8, 10 and 12 s, respectively. In 1 h, how many times, do they toll together?

Five bells begin to toll together and toll respectively at intervals of 6, 7, 8, 9 and 12 seconds. After how many seconds will they toll together again?

RS AGGARWAL-HCF AND LCM OF NUMBERS-All Questions
  1. Find the least number which when divided by 16, 18, 20 and 25 leaves 4...

    Text Solution

    |

  2. A gardener has to plant trees in rows containing equal number of tr...

    Text Solution

    |

  3. When Seeta made necklaces of either 16 beads, 20 beads or 36 beads,...

    Text Solution

    |

  4. An electronic device makes a beep after every 60 sec. Another devic...

    Text Solution

    |

  5. Six bells commence tolling together and toll at intervals of 2, 4, ...

    Text Solution

    |

  6. Four bells begin to toll together and toll respectively at interval...

    Text Solution

    |

  7. Four different electronic devices make a beep after every 30 minute...

    Text Solution

    |

  8. Three girls start jogging from the same point around a circular tra...

    Text Solution

    |

  9. Three persons walking around a circular track complete their respec...

    Text Solution

    |

  10. A ,\ B and C start at the same time in the same direction to run aroun...

    Text Solution

    |

  11. Three wheels can complete 40, 24 and 16 revolutions per minute resp...

    Text Solution

    |

  12. A pendulum strikes 5 times in 3 seconds and another pendulum strike...

    Text Solution

    |

  13. Find the HCF of 132, 204 and 228. (a) 12       (b) 18        (c) 6 ...

    Text Solution

    |

  14. If three numbers are 2a ,\ 5a and 7a what will be their LCM? 70 a (...

    Text Solution

    |

  15. The product of two whole numbers is 1500 and their HCF is 10. Find ...

    Text Solution

    |

  16. A number x is divided by 7. When this number is divided by 8, 12 and 1...

    Text Solution

    |

  17. The number of pair of positive integers whose sum is 99 and HCF is ...

    Text Solution

    |

  18. The ratio of two numbers is 3 : 4 and their LCM is 120. The sum ...

    Text Solution

    |

  19. The greatest four digit number which is exactly divisibly by each o...

    Text Solution

    |

  20. The traffic lights at three different signal points change after ev...

    Text Solution

    |