Home
Class 14
MATHS
Six bells start to ring at the same time...

Six bells start to ring at the same time. After that they ring after a gap of 2, 4, 6, 8, 10 & 12 seconds. How many times will they ring together in 30 minutes ?

A

4

B

10

C

15

D

16

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • GEOMETRY

    MOTHERS|Exercise MULTIPLE CHOICE QUESTIONS |413 Videos

  • NUMBER SYSTEM

    MOTHERS|Exercise O|400 Videos

Similar Questions

Explore conceptually related problems

Four bells rings after an interval 9,12,15,18 sec. In 36 min how many times will they ring together.

Four bells rings after on interval 9,12,15,18 sec. In 36 min how many times will they ring together .

Four bells ring together at a certain time. After this, they rang at intervals of 6, 8, 10 and 12 seconds, respectively. After how many minutes will they be rang together for the first time? चार घंटियाँ एक निश्चित समय पर एक साथ बजती हैं | इसके बाद वे क्रमश : 6, 8, 10 और 12 सेकंड के अंतराल पर बजती हैं | कितने मिनटों के बाद वे फिर से पहली बार एक साथ बजेगी

Five bells begin to toll together and toll respectively at intervals of 6, 5, 7, 10 and 12 seconds. How many times will they toll together in one hour excluding the one at the start?

Six bells ring at intervals of 2,4,6,8,10 and 12 s, respectively. They started ringing simultaneously. How many times, will they ring together in 30 min?

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?

Five bells begins to toll together and toll respectively at intervals 6,7,8,9 and 12 seconds. How many times will they toll together in one hour, excluding the one at the start?

MOTHERS-LCM & HCF-MULTIPLE CHOICE QUESTION
  1. Two cog wheels having 20 and 25 cogs respectively. The bigger wheel ma...

    Text Solution

    |

  2. Three person start walking from a same point. There steps are of 63 cm...

    Text Solution

    |

  3. Six bells start to ring at the same time. After that they ring after a...

    Text Solution

    |

  4. Three bells ring at an interval of 15, 20 & 30 minutes respectively. I...

    Text Solution

    |

  5. The length and breadth ofa room are 15 m 17 cm and 9 m 2 cm respective...

    Text Solution

    |

  6. The length of three rods is 64 cm., 80 cm. and 96 cm. Find the least l...

    Text Solution

    |

  7. Four bells toll at intervals of 5, 6, 8 and 12 seconds respectively. I...

    Text Solution

    |

  8. A, B and C start at the same time in the same direction to run around ...

    Text Solution

    |

  9. A, B and C start at the same time in same direction to run around a ci...

    Text Solution

    |

  10. Four bells toll at intervals of 4, 6, 8 and 14 seconds respectively. A...

    Text Solution

    |

  11. Two men start together from the some place in the same direction to go...

    Text Solution

    |

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

    Text Solution

    |

  13. If some marbles are divided in the groups of 32-32, 10 marbles are lef...

    Text Solution

    |

  14. 4726 soldiers are divided in two groups to make a solid square. It is ...

    Text Solution

    |

  15. The minimum soldiers that can be arranged in 12, 15 and 18 rows of equ...

    Text Solution

    |

  16. Some booklets are packed in a packing unit.Shinde said that if he pack...

    Text Solution

    |

  17. The traffic lights at three different road crossings change after ever...

    Text Solution

    |

  18. A circular path is 30 km long. Four racers start at the same time in t...

    Text Solution

    |

  19. A man has some bananas. If he distributes 6 or 8 bananas to each perso...

    Text Solution

    |

  20. In a fire range, 4 shooters are firing at their respective targets.The...

    Text Solution

    |