Home
Class 10
MATHS
If the mean of 6,7,x,8,y,16,16 is 9, the...

If the mean of 6,7,x,8,y,16,16 is 9, then.

A

x+y = 21

B

x+y = 17

C

x-y = 21

D

x-y = 19

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • DAULATPUR DALUICACHA BHARATI VIDYALAYA

    UNITED BOOK HOUSE|Exercise EXERCISE|54 Videos
  • GHORANASH HIGH SCHOOL

    UNITED BOOK HOUSE|Exercise EXERCISE|55 Videos

Similar Questions

Explore conceptually related problems

If the mean of 6, 7, x, 8, y, 14 is 9, then___

If mean of 6,8,x,12,y,14 is 10 then

If the mean of the numbers 6, 7, x, 8, y, 16 is 9 then ____

If the average of the numbers 6, 7, x, 8, y, 14, be 9, then

The harmonic mean of 4,8,16 is

Write True or False If mean of the numbers 7,9,x,12,y,17 is 11 then x+y = 30.

The harmonic mean of 4, 8, 16, is

If the median of 20, 19, 7, 9, 17, 16, 11, x, 13 is 15 then the value of x is

If the mode of 15, 12, 18, 8, 9, 16, 12, x, 18, 10 is 18, then the value of x is

Median of 16,6,12, 14,8,10 is

UNITED BOOK HOUSE-GARDEN REACH BIHARI DAS GIRL'S -EXERCISE
  1. If sin theta = cos theta then 2 theta=

    Text Solution

    |

  2. If two cubes of length of each side 2sqrt6 cm are placed side by side,...

    Text Solution

    |

  3. If the mean of 6,7,x,8,y,16,16 is 9, then.

    Text Solution

    |

  4. Fill in the blanks The compound interest and simple interest for yea...

    Text Solution

    |

  5. If in a quadratic equation ax^2 + bx + c = 0 (a le 0) b^2 = 4ac, then ...

    Text Solution

    |

  6. If the length of the sides of two triangles are in proportion, then tw...

    Text Solution

    |

  7. Fill in the blanks If cos^2theta-sin^2 theta = 1/x (x>1), then cos^4 ...

    Text Solution

    |

  8. The shape of a pencil with one end sharpened is the combination of a c...

    Text Solution

    |

  9. Fill in the blanks Median of the data 2,3,4,5,6is.

    Text Solution

    |

  10. Write True or False: The compound interest will be always less than ...

    Text Solution

    |

  11. True or false: The compound ratio of ab : c^2 ,bc : a^2 and ca : b^2 i...

    Text Solution

    |

  12. Only one circle can be drawn through three non-colinear points.

    Text Solution

    |

  13. Write True or False: Value of sin^25theta+cos^25theta = 5

    Text Solution

    |

  14. Write True or False: By melting a solid right circular cylinder a cu...

    Text Solution

    |

  15. Write True or False Mode of 3,4,5,2,3,4,1,6,4,2 is 4.

    Text Solution

    |

  16. The rate of simple interest per annum reduces from 4% to 3 3/4% and fo...

    Text Solution

    |

  17. In a business capital of A is 1 1/2 times of the capital of B. If the...

    Text Solution

    |

  18. If (2x)/3=(4y)/5=(7z)/9 then find the value of (4x+12y-21z)/(3y).

    Text Solution

    |

  19. If x alpha yz and y alpha zx, then show that (z!=0) is a constant.

    Text Solution

    |

  20. AB is the diameter of a semicircle with length of radius 4 cm C is an...

    Text Solution

    |