Home
Class 9
MATHS
If the mean of five observations x ,...

If the mean of five observations x , x + 2 , x + 4 , x + 6 , x + 8  is 11, find the mean of first three observations.

Promotional Banner

Topper's Solved these Questions

  • LINES AND ANGLES

    RD SHARMA ENGLISH|Exercise All Questions|183 Videos

  • NUMBER SYSTEM

    RD SHARMA ENGLISH|Exercise All Questions|130 Videos

Similar Questions

Explore conceptually related problems

If the mean of five observation x , x+2, x+4, x+6, x+8 is 11, find the mean of first three observations.

If the mean of five observation x , x+2, x+4,x+6, x+8 is 11, find the mean of first three observations.

If the mean of five observations x ,\ x+2,\ x+4,\ x+6,\ x+8\ i s\ 11 , then the mean of first three observations is 9 (b) 11 (c) 13 (d) none of these

If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find the mean of the first three obervations.

If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find : the mean of the first three obervations.

The mean of x,x+2,x+4,x+6 and x+8 is 11, find the mean of the first three observations.

If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x

If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find : the value of x ,

If the mean of the observation x , x+3 , x+5 , x+7 and x+10 is 9 , then mean of the last three observations is

If the mean of the observation a , a + 6 , a + 2 , a + 8 and a + 4 is 11 . Find . the median.

RD SHARMA ENGLISH-MEASURES OF CENTRAL TENDENCY-All Questions
  1. The mean of 16 numbers is 8. If 2 is added to every number, what ...

    Text Solution

    |

  2. The mean of 5 number is 18. If one numbers is excluded, their me...

    Text Solution

    |

  3. If the mean of five observations x , x + 2 , x + 4 , x + 6 , x + 8...

    Text Solution

    |

  4. If x1, x2, x3,....xn are n values of a variable X such that Find the ...

    Text Solution

    |

  5. The sum of the deviations of a set of n values x1, x2 ,xn measured fro...

    Text Solution

    |

  6. If the heights of 5 persons are 140cm, 150cm, 152cm, 158cm and 161c...

    Text Solution

    |

  7. Find the mean of 994, 996, 998, 1002 and 1000

    Text Solution

    |

  8. Find the mean of first five natural numbers.

    Text Solution

    |

  9. Find the mean of all factors of 10.

    Text Solution

    |

  10. Find the mean of first 10 even natural numbers.

    Text Solution

    |

  11. Find the mean of x, x+2, x+4, x+6, x+8

    Text Solution

    |

  12. Find the mean of first five multiples of 3.

    Text Solution

    |

  13. Following are the weights (in kg) of 10 new born babies in a hospit...

    Text Solution

    |

  14. The percentage of marks obtained by students of a class in mathemat...

    Text Solution

    |

  15. The numbers of children in 10 families of a locality are: 2, 4, 3, 4...

    Text Solution

    |

  16. If M is the mean of x1 , x2 , x3 , x4 , x5 and x6, prove that (x1 − M)...

    Text Solution

    |

  17. Duration of sunshine (in hours) in Amritsar for first 10 days of Aug...

    Text Solution

    |

  18. Explain, by taking a suitable example, how the arithmetic mean alte...

    Text Solution

    |

  19. The mean of marks scored by 100 students was found to be 40. Later ...

    Text Solution

    |

  20. The traffic police recorded the speed (in km/hr) of 10 motorists as ...

    Text Solution

    |