Home
Class 14
MATHS
If a : b=5:7\ a n d\ c : d=2a :3b ,\ t h...

If `a : b=5:7\ a n d\ c : d=2a :3b ,\ t h e n\ a c : b d` is `10 : 21` b. `20 : 38` c. `50 : 147` d. `50 : 151`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • RACES AND GAMES OF SKILL

    RS AGGARWAL|Exercise All Questions|33 Videos

  • SIMPLE INTEREST

    RS AGGARWAL|Exercise All Questions|124 Videos

Similar Questions

Explore conceptually related problems

If A : B=2:3, B : C=2:4 a n d C : D=2:5, t h e n A : D is equal to 1:5 b. 2:15 c. 4:5 d. 5:2

If a :(b+c)=1:3 a n d c :(a+b)=5:7, t h e b :(a+c) is equal to 1:2 b. 1:3 c. 2:3 d. 2:1

If a ; b=c : d=e :f=1:2, t h e n (3a+5c+7e):(3b=5d+7f) 1:2 b. 1:4 c. 2:1 d. 8:7

If P(AuuB)=0. 8\ a n d\ P(AnnB)=0. 3 ,\ t h e n\ P( A )+P( B )= 0. 3 b. 0. 5 c. 0. 7 d. 0. 9

If a : b=3:4, b : c4:7, t h e n(a+b+c)/c is equal to 1 b. 2 c. 3 d. 7

If a=3^(-3)-3^3\ a n d\ b=3^3-3^(-3),\ t h e n a/b-b/a (a) 0 (b) 1 (c)-1 (d) 2

If A:B:C=4:7:11 and B:C:D=21:33:44 then A:B:C:D=

In a triangle A B C , if a : b : c=3:7:8,t h e n R : r is equal to a. 2:7 b. 7:2 c. 3:7 d. 7:3

RS AGGARWAL-RATIO AND PROPORTION-All Questions
  1. If p : q : r=1:2:4,\ t h e n\ sqrt(5p^2+q^2+r^2) is equal to 5 b...

    Text Solution

    |

  2. If A : B : C=2:3:4, then the ratio A/B : B/C : C/A is equal t...

    Text Solution

    |

  3. If a : b=5:7\ a n d\ c : d=2a :3b ,\ t h e n\ a c : b d is 10 : 21 b...

    Text Solution

    |

  4. If a/b=b/c=c/d ,\ t h e n(b^3+c^3+d^3)/(a^3+b^3+c^3) will be equ...

    Text Solution

    |

  5. If p: q=3:4,\ r : s=8:5\ a n d\ x : y=10 :6, then p s x : q r y is...

    Text Solution

    |

  6. If a : b=c : d then (m a+n c)/(m b+n d) is equal to m : n b. ...

    Text Solution

    |

  7. Let a/b\ :-b/a=x : ydot\ If (x-y)={a/b+b/a}\ t h e n\ x is e...

    Text Solution

    |

  8. If (a+b)/c=(b+c)/a=(c+a)/b=k ,\ t h e n\ k is equal to 0 b. 1 c....

    Text Solution

    |

  9. If a : b=2:3\ a n d\ b : c=4:5,\ t h e n(a+b):(b+c) is equal to ...

    Text Solution

    |

  10. If a ; b=c : d=e :f=1:2,\ t h e n\ (3a+5c+7e):(3b=5d+7f) 1:2 b. 1:...

    Text Solution

    |

  11. Given a:b=5:3 and b:c = 2:5 Which of the following is true?

    Text Solution

    |

  12. If c=50 ,\ the value of a+b+c will be more than 50 but le...

    Text Solution

    |

  13. (c-a) will be equal to 10(a+c) II. 10 a+2b a. only I is true b....

    Text Solution

    |

  14. If a b : b+c : c+a=6:7:8\ a n d\ a+b+c=14 ,\ then the value of ...

    Text Solution

    |

  15. The fourth proportional to 5,8,15 is 17 b. 14 c. 56 d. 24

    Text Solution

    |

  16. Fourth proportional to(a^2-b^2\ ),\ (a^2-a b),\ (a^3+b^3) is (a-b) ...

    Text Solution

    |

  17. The third proportional to 38 and 15 is (15xx15)/(38) b. (38xx15)/2 ...

    Text Solution

    |

  18. The third proportional to (x^2-y^2)a n d\ (x-y) is (x+y) b. (x-y) c...

    Text Solution

    |

  19. The mean proportional between 234 and 104 is a. 12 ...

    Text Solution

    |

  20. The mean proportional between 0.02 and 0.32 is a. 0.3     b. 0.08 ...

    Text Solution

    |