Home
Class 11
MATHS
Geometric mean of 3, 9 and 27 is...

Geometric mean of 3, 9 and 27 is

A

18

B

6

C

9

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    PATHFINDER|Exercise QUESTION BANK|45 Videos

  • STRAIGHT LINE

    PATHFINDER|Exercise QUESTION BANK |25 Videos

Similar Questions

Explore conceptually related problems

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.

Geometric mean of the numbers 2, 2^2, 2^3, ….,2^(n) numbers is

If the arithmetic mean of two positive numbers a & b (a gt b) is twice their geometric mean , then a : b is

Statement 1: If the arithmetic mean of two numbers is 5/2 geometric mean of the numbers is 2, then the harmonic mean will be 8/5. Statement 2: For a group of positive numbers (GdotMdot)^2=(AdotMdot)(HdotMdot)dot

The geometric mean of number 7, 7^2, 7^3,…..,7^n is

The geometric mean between -9 and -16 is a. 12 b. -12 c. -13 d. none of these

The two geometric means between 1 and 64 are-

Find the geometric mean of the 2(2)/(7), 3, 1(3)/(4) and 1(1)/(3)

The geometric mean of two numbers = +- 12 , if one number is 16, then the other number =

The geometric mean of the first n terms of the G.P. a,ar,ar^2 ,….is

PATHFINDER-STATISTICS AND MATHEMATICAL REASONING-QUESTION BANK
  1. If the mean of the table is 8, then find the value of P.

    Text Solution

    |

  2. A factory employs 100 workers of whom 60 in the first shift and 40 wo...

    Text Solution

    |

  3. Geometric mean of 3, 9 and 27 is

    Text Solution

    |

  4. The median of the items 6, 10, 4, 3, 11, 22, 18, is

    Text Solution

    |

  5. If median = (mode + 2 mean ) Mean, then Mean is equal to

    Text Solution

    |

  6. The scores of a batsman in ten innings are : 38, 70, 48, 34, 42, 55, 6...

    Text Solution

    |

  7. The Standard Deviation of scores 1, 2, 3, 4, 5 is

    Text Solution

    |

  8. If the mean of the first n odd natural numbers be numbers itself, then...

    Text Solution

    |

  9. The A.M of the series 1, 2, 4, 8, 16…., 2^n is

    Text Solution

    |

  10. If the mean of the numbers x1, x2, x3,….xn is overlinex, then the mea...

    Text Solution

    |

  11. Mean of the first n terms of the A.P a,(a+d),(a+2d),…..is

    Text Solution

    |

  12. If mu is the mean of a distribution , then sumfi(yi-mu) is equal to

    Text Solution

    |

  13. If the mean of n observations 1^2, 2^2, 3^2,….n^2 is (46n)/(11) then ...

    Text Solution

    |

  14. The mean of 50 observations is 36. If two observations 30 and 42 are d...

    Text Solution

    |

  15. the weighted mean of first n natural numbers whose weights are equal ...

    Text Solution

    |

  16. A group of 10 items has mean 6 If the mean of 4 of these items is 7.5 ...

    Text Solution

    |

  17. The mean of a set of observations is overlinex If observations is div...

    Text Solution

    |

  18. The geometric mean of the first n terms of the G.P. a,ar,ar^2,….is

    Text Solution

    |

  19. The geometric mean of the observations 2, 4, 8, 16, 32, 64, is

    Text Solution

    |

  20. A boy goes to school from him home at a speed of x km/hr. and comes ba...

    Text Solution

    |