Home
Class 14
MATHS
Five bells begins to toll together and t...

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?

A

3

B

5

C

7

D

9

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • DECIMAL FRACTION

    UPKAR PUBLICATION |Exercise QUESTION BANK|85 Videos

  • LOGARITHM

    UPKAR PUBLICATION |Exercise QUESTION BANK|79 Videos

Similar Questions

Explore conceptually related problems

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?

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?

Five bells begin to toll together at intervals of 9s,6s,4s,10s and 8s,respectively. How many times will they toll together in the span of 1 h (excluding the toll at the start)?

Four bells begin to toll together and toll respectively at intervals of 6,7,8 and 9 seconds.In 1.54 hours,how many xx do they toll together and in what interval (seconds)? (a) 14,504 (b) 14,480 (c) 12, 504(d) 16,580

4bells toll together at 9.00 a.m.They toll after 7,8,11 and 12 seconds respectively.How many xx will they toll together again in the next 3 hours?

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?

UPKAR PUBLICATION -H.C.F. AND L.C.M.-QUESTION BANK
  1. the numbers 11284 and 7655 when divided by a certain number of three d...

    Text Solution

    |

  2. 21 mango trees, 42 apple trees and 56 orange trees have to be plant...

    Text Solution

    |

  3. Five bells begins to toll together and toll respectively at intervals ...

    Text Solution

    |

  4. Find the least square number which is exactly divisible by 3, 4, 5, 6 ...

    Text Solution

    |

  5. Find the greatest possible length which can be used to measure exactly...

    Text Solution

    |

  6. Three different containers contains different qualities of mixtures of...

    Text Solution

    |

  7. Three pieces of timber, 42-m, 49-m and 63-m long, have to be divided i...

    Text Solution

    |

  8. The largest number which exactly divides 210, 315, 147 and 168 is -

    Text Solution

    |

  9. The sum of two numbers is 216 and their H.C.F is 27. The numbers are

    Text Solution

    |

  10. The H.C.F. of two numbers is 12 and their difference is 12. The num...

    Text Solution

    |

  11. The product of two 2-digit number is 2160 and their H.C.F is 12. The n...

    Text Solution

    |

  12. The HCF of two numbers is 16 and their LCM is 160. If one of the numbe...

    Text Solution

    |

  13. The product of two numbers is 1600 and their HCF is 5. Find the lcm of...

    Text Solution

    |

  14. H.C.F of three numbers is 12. If they be in the ratio 1:2:3 the number...

    Text Solution

    |

  15. About the number of pairs which have 16 as their H.C.F. and 136 as ...

    Text Solution

    |

  16. L.C.M of 2/7, 3/(14) and 5/3 is -

    Text Solution

    |

  17. Which of the following fractions is the smallest? 1/2,3/7,3/5,4/9 ...

    Text Solution

    |

  18. Which of the following are in descending order?

    Text Solution

    |

  19. Which of the following is in ascending order ?

    Text Solution

    |

  20. The smallest number which is divisible by 12, 15, 20 and is a perfect ...

    Text Solution

    |