Home
Class 11
MATHS
x and y are two variables, such that y =...

x and y are two variables, such that `y = (3)^(1/x)`. If the harmonic mean of x is 3, find the geometric mean of y.

Promotional Banner

Topper's Solved these Questions

  • Question Paper 2016

    UNITED BOOK HOUSE|Exercise Exercise |37 Videos

  • Question Paper 2018

    UNITED BOOK HOUSE|Exercise Exercise |39 Videos

Similar Questions

Explore conceptually related problems

If 2u = 5x and the harmonic mean of x is 0.4, then find the harmonic mean of u.

If 2u = 5x and the harmonic mean of x is -0.4, then find the harmonic mean of u.

If 2u = 5x is the relation between the variables x and u and geometric mean of x is 1, find the geometric mean of u.

Let x and y be two variables and x gt 0 , xy=1 , then the minimum value of x+y is-

Two variables x and y are related by y=10-3x.If the standard deviation of x be 4,find the standard deviation of y.

Let x and y be two variables and x gt 0, xy=1, then the minimum value of (x+y) is-

If x_1 and x_2 be any two positive variables and if the arithmetic mean of these two values be A, geometric mean be G and harmonic mean be H, then peove that G^2 = AH

Let x and y be two real variable such that x >0 and x y=1 . Find the minimum value of x+y .

Two variables x and y are related by y=10-3x. The standard deviation of x be 4, find the standard deviation of y.

Two variables x and y are related by y = 2-3x If the S.D of x be 1.5 the find the value of S.D of Y

UNITED BOOK HOUSE-Question Paper 2017-Exercise
  1. Define Real Wage.

    Text Solution

    |

  2. State the Factor Reversal Test of index number.

    Text Solution

    |

  3. Show that for a set of first n (le 2) natural number n < [n+1/2]^n

    Text Solution

    |

  4. What is the difference between cross sectional data and Time series da...

    Text Solution

    |

  5. If A and B are two events then show that P(B) = P(A). P(B/A) + P(A^C)....

    Text Solution

    |

  6. If A^c and B^c are two independent events, then show that A and B are ...

    Text Solution

    |

  7. x and y are two variables, such that y = (3)^(1/x). If the harmonic me...

    Text Solution

    |

  8. What are the differences between primary data and secondary data?

    Text Solution

    |

  9. What is mail questionnaire method? When this method is useful?

    Text Solution

    |

  10. If two positive values of a variable be x(1) and x(2) and the arithmet...

    Text Solution

    |

  11. State and prove that Cauchy-Schwarz inequality.

    Text Solution

    |

  12. Derive the expression of 4th order central moments in terms of raw mom...

    Text Solution

    |

  13. If three numbers are drawn are drawn at random from the frist 30 natur...

    Text Solution

    |

  14. The harmonic mean of 4,8,16 is

    Text Solution

    |

  15. What is Family budget enquiry?

    Text Solution

    |

  16. What is real life application of Life Table?

    Text Solution

    |

  17. State Lagrange's interpolation formula.

    Text Solution

    |

  18. If s and R are respectively the standard deviation and range of set of...

    Text Solution

    |

  19. Prove that mean deviation will be minimum when deviation are taken fro...

    Text Solution

    |

  20. A problem of Statistics is given to three students A, B and C, where c...

    Text Solution

    |