Home
Class 14
MATHS
If x is added to each of 12, 28, 21 and ...

If x is added to each of 12, 28, 21 and 45, the numbers so obtained, in this order, are in proportion. What is the mean proportional between (x+3) and (4x + 1)?
यदि x को 12, 28, 21 और 45 में से प्रत्येक में जोड़ा जाता है, तो इस प्रकार प्राप्त संख्याएं समानुपात में हैं | (x+3) और (4x + 1) का माध्य समानुपाती ज्ञात करें |

A

15

B

18

C

10

D

12

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If x is subtracted from each of 23, 39, 32 and 56, the numbers so obtained in this order are in proportion. What is the mean proportional between (x + 4) and (3x + 1)? यदि x को 23, 39, 32 और 56 में से प्रत्येक से घटाया जाता है, तो प्राप्त होने वाली संख्याएं समानुपात में आती हैं | ( x+ 4) और (3x + 1) के बीच मध्य आनुपातिक ज्ञात करें |

When x is subtracted from each of 21, 22, 60 and 64, the numbers so obtained, in this order, are in proportion. What is the mean proportional between (x+1) and (7x+8). जब x को 21, 22, 60 तथा 64 में से घटाया जाता है, तो इस प्रकार प्राप्त संख्याएं समानुपात में हैं| (x+1) तथा (7x+8) के बीच माध्य समानुपाती ज्ञात करें |

When x is added to each of 2,3,30 and 35, then the numbers obtained in this order, are in proportion. What is the mean proportional between (x+7) and (x-2)? जब x को 2, 3, 30 और 35 में जोड़ा जाता है तो इस क्रम में प्राप्त होने वाली संख्याएं समानुपात में हैं | (x+7) तथा (x-2) के बीच मध्य समानुपाती ज्ञात करें |

If x is subtracted from each of the numbers 20, 37, 54 and 105, then the numbers so obtained in this order are in proportion. What is the mean proportional between (7x - 5) and (x + 1)?

When x is subtracted from each of 19, 28, 55 and 91, the numbers so obtained in this order are in proportion . What is the mean proportion between (x + 9) and x^2 ? जब x को 19, 28, 55 और 91 में से घटाया जाता है, तो इस क्रम में प्राप्त संख्याएँ अनुपात में होती हैं। (x + 9) और x^2 के बीच माध्य अनुपात क्या है?

If x is subtracted from each of the numbers 20, 37, 54 and 105, then the numbers so obtained in this order are in proportion. What is the mean proportional between (7x - 5) and (x + 6) ?

When x is added to each of 8, 14, 20 and 30, then the number, so obtained, in this order form a proportion. What is the mean proportion between (x-2) and (7x+2)? जब x को 8, 14, 20 और 30 में जोड़ा जाता है, तो इस प्रकार इस क्रम में प्राष्त संख्याएँ समानुपात का निर्माण करती है | (x-2) और (7x+2) का मध्यानुपाती क्या है ?

PINNACLE-RATIO & PROPORTION-EXERCISE
  1. A sum is divided among A, B, C and D such that the ratio of shares of ...

    Text Solution

    |

  2. A started a business with a capital of Rs. 54000 and admitted B and C ...

    Text Solution

    |

  3. If x is added to each of 12, 28, 21 and 45, the numbers so obtained, i...

    Text Solution

    |

  4. When x is subtracted from each of 21, 22, 60 and 64, the numbers so ob...

    Text Solution

    |

  5. The ratio of present ages of A and B is 8 : 9. After 9 years, the rati...

    Text Solution

    |

  6. The ratio of present ages of A and B is 8: 15. Eight years ago,the rat...

    Text Solution

    |

  7. If a : b = 4 : 5, then (2a + 3b) : (3a + 2b) is equal to : यदि a :...

    Text Solution

    |

  8. If a : b = 5 : 3, then (8a - 5b) : (8a + 5b) is equal to : यदि a : b...

    Text Solution

    |

  9. If a : b = 2 : 3 and c : b = 5 : 6 , then a : b : c is equal to: यदि...

    Text Solution

    |

  10. If a : b = 5 : 8 and c : b = 4 : 3, then a : b : c is equal to: यदि ...

    Text Solution

    |

  11. If a : b = 2 : 3, then (5a - 2b) : (5a + 2b) is equal to: यदि a : b ...

    Text Solution

    |

  12. If a : b = 2 : 3, then (5a + 3b) : (6a - 2b) is equal to : यदि a : b...

    Text Solution

    |

  13. If a:b=5:7, then (5a-3b):(4a-2b) is equal to :

    Text Solution

    |

  14. The ratio of the present ages of A and B is 6 : 5. Four years ago, thi...

    Text Solution

    |

  15. Eight years ago, the ratio of ages of A and B was 9: 10. The ratio of ...

    Text Solution

    |

  16. Two numbers A and B are in the ratio 5 : 2. If 4 is added to each numb...

    Text Solution

    |

  17. Incomes of A and B are in the ratio of 5 : 3 and their expenditures ar...

    Text Solution

    |

  18. Two numbers are in the ratio 7:5. On diminishing each of them by 40, t...

    Text Solution

    |

  19. Two numbers are in the ratio 7:5. On diminishing each of them by 40, t...

    Text Solution

    |

  20. Two numbers are in the ratio 3:4. On increasing each of them by 30, th...

    Text Solution

    |