Home
Class 14
MATHS
If (a+b) : (b+c) : (c+a) = 7 : 6 : 5 and...

If (a+b) : (b+c) : (c+a) = 7 : 6 : 5 and a+b+c = 27, then what will be the value of `1/a:1/b: 1/c` ?
यदि (a+b) : (b+c) : (c+a) = 7 : 6 : 5 तथा a+b+c = 27, है, तो `1/a:1/b: 1/c` का मान क्या होगा ?

A

`3:6:4`

B

`3:4:2`

C

`4:3:6 `

D

`3:2:4`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2017 TIER-II PAPER(9)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

  • 2018 TIER-II PAPER(5)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

If 3a = 27b = 81c and abc = 144, then the value of 12(1/a+1/(2b)+1/(5c)) is : यदि 3a = 27b = 81c है तथा abc =144 है, तो 12(1/a+1/(2b)+1/(5c)) का मान क्या होगा ?

If a-(1//a) = b, b-(1//b) =c and c - (1//c) = a , then what is the value of (1//ab) + (1//bc) + (1//ca) ? यदि a-(1//a) = b, b-(1//b) =c तथा c - (1//c) = a है, तो (1//ab) + (1//bc) + (1//ca) का मान क्या है?

If a+b+c = 11, ab+bc+ca = 3 and abc = -135, then what is the value of a^3+b^3+c^3 ? यदि a+b+c = 11, ab+bc+ca = 3 तथा abc = -135 है, तो a^3+b^3+c^3 का मान क्या होगा ?

If a b+b c+c a=0 , then what is the value of (1/(a^2-b c)+1/(b^2-c a)+1/(c^2-a b)) ? (a) 0 (b) 1 (c) 3 (d) a+b+c

If a + b + c = 7 and a^3+b^3+c^3-3abc =175 , then what is the value of (ab + bc + ca) ? यदि a + b + c = 7 और a^3+b^3+c^3-3abc =175 , तो (ab + bc + ca) का मान क्या होगा?

If ( a + b) : ( b + c ) : ( c + a) = 5 : 12 : 11 and a + b + c =28 , then (1)/( a) : (1)/( b) : ( 1)/( c ) is equal to:

If A : B = 1 : 2, B : C = 3 : 4 and C : D = 5 : 6, then find the value of D : C : B.

CHAMPION PUBLICATION-2018 TIER-II PAPER(4)-EXERCISE
  1. In quadrilateral ABCD, the bisectors of angle A and angle B meet at O ...

    Text Solution

    |

  2. If each interior angle of a regular polygon is (128 4/7)^@ , then what...

    Text Solution

    |

  3. If (a+b) : (b+c) : (c+a) = 7 : 6 : 5 and a+b+c = 27, then what will be...

    Text Solution

    |

  4. A and B started their journeys from X and Y and Y to X, respectively. ...

    Text Solution

    |

  5. When 12,16,18,20 and 25 divide the least number x, the remainder in ea...

    Text Solution

    |

  6. The ratio of the volumes of two cylinders is x:y and the ratio of thei...

    Text Solution

    |

  7. If a nine-digit number 389x6378y is divisible by 72, then the value of...

    Text Solution

    |

  8. Chord AB of a circle is produced to a point P, and C is a point on the...

    Text Solution

    |

  9. From the top of a tower, the angles of depression of two objects on th...

    Text Solution

    |

  10. If A is 28% more than B and C is 25% less than the sum of A and B, the...

    Text Solution

    |

  11. ((1+cos theta)^2+ sin^2 theta)/ ((cosec^2 theta-1)sin^2 theta) =?

    Text Solution

    |

  12. The graphs of the equations 3x+y-5=0 and 2x-y-5=0 intersect at the poi...

    Text Solution

    |

  13. In triangle ABC, D is a point on side BC such that angle ADC =angle BA...

    Text Solution

    |

  14. If x+y+z=11, x^2+y^2+z^2=133 and x^3+y^3+z^3=881, then the value of ro...

    Text Solution

    |

  15. The bar graph shows the exports of Cars of Type A and B (in Rs. millio...

    Text Solution

    |

  16. If sin theta=sqrt 3 cos theta, 0^@< theta <90^@, then the value of 2 s...

    Text Solution

    |

  17. ((1-tan theta)/(1-cot theta))^2 +1 =

    Text Solution

    |

  18. If sqrt(86-60sqrt2)=a-b sqrt2, then what will be the value of sqrt(a^2...

    Text Solution

    |

  19. The ratios of copper to Zinc in alloys A and B are 3:4 and 5:9 respect...

    Text Solution

    |

  20. If a cuboid of dimensions 32cm x 12cm x 9cm is cut into two cubes of s...

    Text Solution

    |