Home
Class 7
MATHS
If 2a=3b=4c , then a : b : c= (a)2:3:4...

If `2a=3b=4c ,` then `a : b : c=`
(a)`2:3:4`
(b) `3:4:6`
(c)`4:3:2`
(d) `6:4:3`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    RD SHARMA ENGLISH|Exercise All Questions|144 Videos

  • RATIONAL NUMBERS

    RD SHARMA ENGLISH|Exercise All Questions|108 Videos

Similar Questions

Explore conceptually related problems

If a/2=b/3=c/4, then a : b : c= (a) 2:3:4 (b) 4:3:2 (c) 3:2:4 (d) None of these

If a=2b ,\ then a : b= (a) 2:1 (b) 1:2 (c) 3:4 (d) 4:3

If a ,b and c are in A.P. and b-a ,c-b and a are in G.P., then a : b : c is (a). 1:2:3 (b). 1:3:5 (c). 2:3:4 (d). 1:2:4

If a : b=3:4, then 4a :3b= (a) 4:3 (b) 3:4 (c) 1:1 (d) None of these

If a : b=4:5 and b : c=2:3, then a : c (a) 4:3 (b) 8: 15 (c) 8:9 (d) 5:3

Let D be the middle point of the side B C of a triangle A B Cdot If the triangle A D C is equilateral, then a^2: b^2: c^2 is equal to 1:4:3 (b) 4:1:3 (c) 4:3:1 (d) 3:4:1

If (2^3)^2=4^x ,\ then 3^x= (a)3 (b) 6 (c) 9 (d) 27

A ratio equivalent to 2:3 is (a) 4:3 (b) 2:6 (c) 6:9 (d) 10:9

If a/b=4/3, then the value of (6a+4b)/(6a-5b) is (a) -1 (b) 3 (c) 4 (d) 5

If 2x-3/2=5x+3/4, then x= (a) 3/4 (b) -3/4 (c) 4/3 (d) -4/3

RD SHARMA ENGLISH-RATIO AND PROPORTION-All Questions
  1. If p : q=2:5, then (25 p+14 q)/(5p+7q)= (a)8:5 (b) 5:8 (c) 8:3 ...

    Text Solution

    |

  2. A ratio equivalent to 2:5 is (a)6: 15 (b) 4:5 (c) 5:2 (d) 5:4

    Text Solution

    |

  3. If 2a=3b=4c , then a : b : c= (a)2:3:4 (b) 3:4:6 (c)4:3:2 (d) ...

    Text Solution

    |

  4. If 2x=3y\ a n d\ 4y=5z , then x : z= (a) 4:3 (b) 8: 15 (c) 3:4 (...

    Text Solution

    |

  5. If a/2=b/3=c/4, then a : b : c= (a) 2:3:4 (b) 4:3:2 (c) 3:2:4 (d...

    Text Solution

    |

  6. If 1/a :1/b :1/c=3:4:5, then a : b : c (a) 5:4:3 (b) 20 : 15 : 12 ...

    Text Solution

    |

  7. If a : b=5:7\ a n d\ b : c=6: 11 , then a : b : c= (a) 35 : 49 : 66 ...

    Text Solution

    |

  8. If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) ...

    Text Solution

    |

  9. If a : b=2:5, then (3a+2b)/(4a+b)= (a) (16)/(13) (b) (13)/(16) (c)...

    Text Solution

    |

  10. The mean proportional of a\ a n d\ b is 10 and the value of a is four ...

    Text Solution

    |

  11. If 8: x :: 16 : 35 Find the value of x (a) 35 (b) 70 (c)(35)/2 (d...

    Text Solution

    |

  12. The mean proportional of 6 and 24 is (a)15                         ...

    Text Solution

    |

  13. The boys and girls in a school are in the ratio 9: 5. If the number ...

    Text Solution

    |

  14. If the first three terms of a proportion are 3,5 and 21 respectively...

    Text Solution

    |

  15. What must be added to each term of the ratio 9: 16 to make the ratio...

    Text Solution

    |

  16. What least number is to be subtracted from each term of the ratio 15...

    Text Solution

    |

  17. If Rs 840 is divided between P\ a n d\ Q in the ratio 3:4, then P ' ...

    Text Solution

    |

  18. The ages of Ravish and Shikha are in the ratio 3: 8. Six years hence...

    Text Solution

    |

  19. The present ages of Renu and Ravi are in the ratio 5: 6. The sum of ...

    Text Solution

    |

  20. The third proportional of 3 and 27 is (a) 243 (b) 256 (c) 289 ...

    Text Solution

    |