Home
Class 14
MATHS
Three persons walking around a circul...

Three persons walking around a circular track complete their respective single revolutions in `15 1/6` seconds, `16 1/4` seconds and `18 2/3` seconds respectively. They will be again together at the common starting point after an hour and (a) 10 seconds (b) 20 seconds (c) 30 seconds (d) 40 seconds

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

Seema,Meena and Reema begin to jog around a circular stadium and they complete their revolutions in 54 seconds,42 seconds and 63 seconds respectively.After how much time will they come together at the starting point?

A, B and C start to walk around a circular track. A completes one round in 91/6 seconds, B completes in 65/4 seconds and C completes in 56/3 seconds respectively. After how many seconds will they meet to each other at the starting point again?

Neela, Saroj and Paulami start running around a circular stadium and complete one round in 10 seconds, 6 seconds and 14 seconds respectively. In how much time will they meet again at the starting point ?

Neeraj , Manoj and Geeta start running around a circular stadium and complete one round in 10 seconds , 6 seconds and 14 seconds respectively . In how much time will they meet again at the starting point ?

A .B and C start walking around a circular track.A completes one round in 91/6 seconds B completed in 65/4 sec and C completes in 56/3 sec respectively after how many sec will they meet each other at the starting point again?

Riya , Manasvi and Pintu start running around a circular stadium and complete one round in 24 seconds , 6 seconds and 14 seconds respectively . In how much time will they meet again at the starting point ?

Miloni, Shikka and Varun start running around a circular stadium and complete one round in 8 seconds, 10 seconds and 14 seconds respectively. In how much time will they meet again at the starting point ?

Haris , Dilip and Asha start running around a circular stadium and complete one round in 27 seconds , 9 seconds and 36 seconds respectively . In how many time will they meet again at the starting point ?

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

    |