Home
Class 10
MATHS
There is a circular path around a sports...

There is a circular path around a sports field. Priya takes `18` minutes to drive on round of the field, while Ravish takes `12` minutes for the same. Suppose they both start at the same point and at the same time, and go in the same direction. After how many minutes will they meet again at the starting point?

Text Solution

Verified by Experts

Required number of minutes is the LCM of `18` and `12.`
We have,
`18=2×3^2 and 12=2^2×3`
...
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    RD SHARMA|Exercise All Questions|390 Videos
  • SOME APPLICATIONS OF TRIGONOMETRY

    RD SHARMA|Exercise All Questions|154 Videos

Similar Questions

Explore conceptually related problems

There is a circular path around a sports field. Priya takes 21 minutes to drive one round of the field, while Ravish takes 28 minutes for the same. Suppose they both started at the same point and at the same time, and go in the same direction. After how many minutes will they meet again at the starting point ?

There is a circular path around a sports field. Sonia takes 18 minutes to drive one round of the field, while Ravi takes 12 minutes for the same . Suppose they both start at the same point and at the same time, and go in the same direction. After how many minutes will they meet again at the starting point ?

There is a circular path around a sports field. Priya takes 12 minutes to drive one round of the field. While Ravish takes 10 minutes for the same. Suppose they both start from the same point and at the same time and go in the same direction. (i) After how many minutes will they meet again at the starting point ? (ii) Which mathematical concept is used in this problem ? (iii) What is the value discussed in this problem ?

There is a circular path around a sports field. Soma takes 18 minutes to drive one round of the field,while Ravi takes 12 minutes for the same.Suppose they both start at the same point and at the same time,and go in the same direction.After how many minutes will they meet again at the starting point?

Sheela takes 36 minutes to drive one round while Geetha takes 32 minutes to go round once in a circular path.If both start at the same point and at the same time and go in the same direction.After how many minutes they will meet again at the starting point.

Ravin and Skha drive around a circualr sports field. Ravi takes 16 minutes to take one round while sikha completes the round in 20 minutes. If both start at the same point at the same time and go in same direction, after how much ltime will they meet at the starting point ? [

RD SHARMA-REAL NUMBERS-All Questions
  1. What can you say about the prime factorisations of the denominators of...

    Text Solution

    |

  2. If p1a n dp2 are two odd prime numbers such that p1> p2, then p1 2-p2 ...

    Text Solution

    |

  3. There is a circular path around a sports field. Priya takes 18 minutes...

    Text Solution

    |

  4. A rectangular courtyard is 18m 72cm long and 13m 20cm broad. It is to ...

    Text Solution

    |

  5. If the prime factorization of a natural number n is 2^3*3^2*5^2*6, w...

    Text Solution

    |

  6. A circular field has a circumference of 360km. Three cyclists start ...

    Text Solution

    |

  7. In a morning walk three persons step off together, their steps measure...

    Text Solution

    |

  8. Prove that sqrt(2)+sqrt(5) is irrational.

    Text Solution

    |

  9. Show that there is no positive integer n for which sqrt(n-1)+sqrt(n+1...

    Text Solution

    |

  10. A merchant has 120 litres of oil of one kind, 180 litres of another ...

    Text Solution

    |

  11. Two brands of chocolates are available in packs of 24 and 15 respec...

    Text Solution

    |

  12. What is the largest number that divides 626, 3127 and 15628 and lea...

    Text Solution

    |

  13. Find the greatest number that will divide 445, 572 and 699 leaving ...

    Text Solution

    |

  14. Two tankers contain 850 litres and 680 litres of petrol respectively. ...

    Text Solution

    |

  15. Two sets of English and social science books containing 336 and 96 res...

    Text Solution

    |

  16. Find the HCF of 81 and 237 and express it as a linear combination of 8...

    Text Solution

    |

  17. Find the largest number that will divide 398, 436 and 542 leaving r...

    Text Solution

    |

  18. Let a,b,c,k be rational numbers such that k is not perfect cube if a ...

    Text Solution

    |

  19. Prove that for any prime positive integer p ,sqrt(p) is an irrational ...

    Text Solution

    |

  20. Let A B C D be a tetrahedron such that the edges A B ,A Ca n dA D a...

    Text Solution

    |