Home
Class 9
MATHS
The geometric mean of 20 and 45 is ………....

The geometric mean of 20 and 45 is ……….

A

30

B

45

C

900

D

400

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • RATIO AND PROPORATION

    CHETANA PUBLICATION|Exercise Exercise|66 Videos

  • POLYNOMIALS

    CHETANA PUBLICATION|Exercise Exercise|80 Videos

  • REAL NUMBERS

    CHETANA PUBLICATION|Exercise Exercise|59 Videos

Similar Questions

Explore conceptually related problems

If x is the geometric mean of 16 and 9, find x.

If x is the geometric mean of 16 and 9, find x.

Solve the following subquestion Find the geometric mean of 16 and 36.

If 10 is the geometric mean of 25 and x,then find the value of x.

Fill in the blanks to prove that b is the geometric mean of a and c, if (a-b+c)/(ab+c^2) =1/(b+c)

The geometric mean of 28a^5/b and b^3/7a^3 is …..

Find the value of x, if (x-4) is the geometric mean of (x-5) and (x-2) .

If b is the geometric mean of a and c, then show that a^2 b^2 c^2 [1/a^3 +1/b^3 +1/c^3] =a^3 +b^3 +c^3 .

CHETANA PUBLICATION-RATIO AND PROPORATION-Exercise
  1. 3/5 is equivalent to………..

    Text Solution

    |

  2. If (3x+5y)/(3x-5y)= 23/3 then = x/y…………

    Text Solution

    |

  3. The geometric mean of 20 and 45 is ……….

    Text Solution

    |

  4. The geometric mean of 28a^5/b and b^3/7a^3 is …..

    Text Solution

    |

  5. Find the reduced form of the ratio of the first quatity to second quan...

    Text Solution

    |

  6. Find the reduced form of the ratio of the first quatity to second quan...

    Text Solution

    |

  7. Find the reduced form of the ratio of the first quatity to second quan...

    Text Solution

    |

  8. Find the reduced form of the ratio of the first quatity to second quan...

    Text Solution

    |

  9. Express the following percentage as ratio in the reduced form: 108:100

    Text Solution

    |

  10. Express the following percentage as ratio in the reduced form: 25:100

    Text Solution

    |

  11. Express the following percentage as ratio in the reduced form: 60%

    Text Solution

    |

  12. Express the following percentage as ratio in the reduced form: 225%

    Text Solution

    |

  13. Convert the following ratio into percentage: 14:20

    Text Solution

    |

  14. Convert the following ratio into percentage: 9/25

    Text Solution

    |

  15. Convert the following ratio into percentage: 5/16

    Text Solution

    |

  16. Convert the following ratio into percentage: 3:50

    Text Solution

    |

  17. To numbers are in the ratio 3:5 If 7 is added to each number then the ...

    Text Solution

    |

  18. The ratio of the present ages of mother and son is 12:5 The mother 's ...

    Text Solution

    |

  19. Compare the following pairs of ratios: 9/7,3/2

    Text Solution

    |

  20. Compare the following pairs of ratios: 5/4,sqrt(3)/sqrt(2)

    Text Solution

    |