Home
Class 14
MATHS
A person goes from point P to point Q co...

A person goes from point P to point Q covergin 1/3 of the distance with speed 10km/hr, the next 1/3 of the distance at 20 km/hr and the last 1/3 of the distance at 60 km/hr. The average speed of the person is

A

15 km/hr

B

18 km/hr

C

25 km/hr

D

30 km/hr

Text Solution

Verified by Experts

The correct Answer is:
B
Since all the three distances are same , hence the average speed=`(3xx10xx20xx60)/(200+1200+600)`=18km/hr
Promotional Banner

Topper's Solved these Questions

  • ALLIGATIONS

    QUANTUM CAT|Exercise QUESTION BANK|54 Videos

  • CI/ SI/ INSTALMENTS

    QUANTUM CAT|Exercise QUESTION BANK |99 Videos

Similar Questions

Explore conceptually related problems

A car travels the first one-third of a certain distance with a speed of 10 km/hr, the next one-third distance with speed of 20 km/hr and the last one-third distance with a speed of 60 km/hr. The average speed of the car for the whole journey is

Anoop travels first (1)/(3)rd of the total distance at the speed of 10 km/hr and the next (1)/(3)rd distance at the speed of 20 km/hr and the last (1)/(3)rd distance at the speed of 60 km/hr. The average speed of Anoop is :

Aditya covered 48 km distance at 40 km/hr and rest 52 km at 65 km/hr. Find his average speed.

A car moves 1/3 distance with 20 km/hr and 2/3 with 60 km/hr. find its average speed.

One car moving on a staright road covers one-third of the distance with 20 (km)/(hr) and the rest with 60 (km)/(hr) . The average speed is

A car covers (1)/(3) part of total distance with a speed of 20 km hr^-1 and second (1)/(3) part with a speed of 30 km hr^-1 and the last (1)/(3) part with a speed of 60 km hr^-1 . The average speed of the car is.

QUANTUM CAT-AVERAGES-QUESTION BANK
  1. Einstein goes from Ahemdabad to lucknow at the speed of 40 km/hr and r...

    Text Solution

    |

  2. Sri krishna took the chariot and started his journey from mathura to g...

    Text Solution

    |

  3. A person goes from point P to point Q covergin 1/3 of the distance wit...

    Text Solution

    |

  4. A man travels 200 km distance with the speed of 40 m/s and next 50 km ...

    Text Solution

    |

  5. The average weight of all the 11 players of indian cricket team is 50k...

    Text Solution

    |

  6. The average presence of students in a class on Monday Tuesday and Wedn...

    Text Solution

    |

  7. The average age of A,B,C,D and E is 40 years . The average age of A an...

    Text Solution

    |

  8. The average temperature from Monday, Tuesday, Wednesday is 38^(@)C . W...

    Text Solution

    |

  9. The average weight of a class of 20 students is 45 kgs.A new student w...

    Text Solution

    |

  10. The average length of the first three fingers is 3 inches and the aver...

    Text Solution

    |

  11. Three types of rice whose rates are ₹38,₹43 and ₹49 per kg are blended...

    Text Solution

    |

  12. Pankaj went to the post office to the speed of 60km/hr while returning...

    Text Solution

    |

  13. 123 typist typed 984 papers in 1/15 hour.The number of papers typed pe...

    Text Solution

    |

  14. The cost of the red green and blue colours per kg is₹20 ₹15 and ₹18 re...

    Text Solution

    |

  15. Rajeev earns 3/2 times in january,April,july and october than his aver...

    Text Solution

    |

  16. The average of 3 prime numbers lying between 47 and 74 is 191/3.The gr...

    Text Solution

    |

  17. The average of 9 number is 11.if each of these 9 numbers is multiplied...

    Text Solution

    |

  18. The average score of Dhoni after 48 innings is 48 and in the 49th inn...

    Text Solution

    |

  19. The average age of Sachin and Gangili is 35 years if Kaif replaces Sac...

    Text Solution

    |

  20. The average age of Sachin and Gangili is 35 years if Kaif replaces Sac...

    Text Solution

    |