Home
Class 14
MATHS
A car travels for 6 hours at different s...

A car travels for 6 hours at different speeds. For the first two hours at 60 m/s, for the next 2 hours at 50 m/s and for the remaining time at x m/s. If the average speed for the entire journey is 52 m/s, what is the value of x?
एक कार अलग-अलग चाल से 6 घंटे तक यात्रा करती है | पहले दो घंटे वह 60 मी/सेकंड की चाल से चली, अगले दो घंटे 50 मी/सेकेड और शेष समय वह x मी/सेकंड से चली | यदि पूरी यात्रा के लिए औसत चाल 52 मी/सेकंड रही है, तो x का मान ज्ञात करें |

A

46

B

`44 1/2`

C

48

D

`45 1/2`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SIMPLIFICATION

    PINNACLE|Exercise EXERCISE|250 Videos
  • SSC CGL MAINS 2018 ALGEBRA

    PINNACLE|Exercise Exercise|23 Videos
PINNACLE-SPEED AND DISTANCE-EXERCISE
  1. The ratio in the speeds of two aeroplanes is 7 : 15. If the first aero...

    Text Solution

    |

  2. A person goes on a journey. He travelled 16 hours in all. He covered t...

    Text Solution

    |

  3. A car travels for 6 hours at different speeds. For the first two hours...

    Text Solution

    |

  4. Speed of a man is 45 km/h. In how much time (in seconds) will he cover...

    Text Solution

    |

  5. A 600 metres long train can cross a 1200 metres long platform in 36 se...

    Text Solution

    |

  6. The speed of a car is 20 m/s. What distance (in km) will it cover in 2...

    Text Solution

    |

  7. A person travels a certain distance at a speed of 18 km/h and returns ...

    Text Solution

    |

  8. A train X travelling at 72 km/h crosses another train Y travelling at ...

    Text Solution

    |

  9. A and B start travelling towards each other at the same time at the re...

    Text Solution

    |

  10. The speed of A for walking two times is equal to the speed of B for wa...

    Text Solution

    |

  11. Two trains running in the opposite directions cross each other in 12 s...

    Text Solution

    |

  12. A train with the average speed of 54 km/h, covers a distance in 200 mi...

    Text Solution

    |

  13. If Shivan runs at 19 km/h, then find the time ( in minutes ) taken by ...

    Text Solution

    |

  14. A 180 m long train running at 20 m/s will take what time ( in seconds ...

    Text Solution

    |

  15. A person travels 75 km at a speed of 25 km/h, next 60 km at a speed of...

    Text Solution

    |

  16. A bus covers a distance of 10 km in 12 minutes. If its speed is reduce...

    Text Solution

    |

  17. A person covers a distance of 390 km in 3.25 hours. His speed in m/s i...

    Text Solution

    |

  18. The diameter of a wheel is 70 cm. It completes 600 revolutions in 1 mi...

    Text Solution

    |

  19. The speed of a train is 3 times that of a car and 1.5 times that of a ...

    Text Solution

    |

  20. A and B started walking in the opposite direction from X and Y respect...

    Text Solution

    |