Home
Class 14
MATHS
If 1/x :1/y :1/z=2:3:5\ t h e n\ x : y :...

If `1/x :1/y :1/z=2:3:5\ t h e n\ x : y : z` is equal to `2:3:5` b. `15 : 10 :6` c. `5:3:2` d. `6: 10 : 15`

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 x=1/3y a n d y=1/2, t h e n x : y : z is equal to 1:2:6 b. 1:3:6 c. 2:4:6 d. 3:2:1

If 5x^2-13 x y+6y^2=, t h e n x : y is 2:1 on l y b. 3:5 on l y c. 5:3 or 1:2 d. 3:5 or 2:1

5x + 10 y - 15 z = 5 (x + 2y - 3z)

The planes 2x - y + 4z = 3 and 5x - 2.5y + 10z = 6 are :

If ( x - 1 )^3 + ( y - 2 )^3 + ( z - 3 )^3 = 3 ( x - 1 ) ( y - 2 ) ( z - 3 ) and x - 1 != y -2 != z-3 , then x + y + z is equal to : ( A ) 2 ( B ) -6 ( C ) 6 ( D ) 4

The simplest form of the ratio 1.5:2.5 is 3:5b .6:10c.15:25d.76:1.25

If the lines (2x-1)/2=(3-y)/1=(z-1)3 and (xc+3)/2=(z+1)/p=(y+2)/5 are perpendicular to each other then p is equal to (A) 1 (B) -1 (C) 10 (D) -7/5

If [1 4 2 0]=[x y^2z0],y<0t h e nx-y+z= 5 (b) 2 (c) 1 (d) -3

The coordinates of the point of intersection of the lines (x-1)/1=(y+2)/3=(z-2)/(-2) with the plane 3x+4y+5z-25=0 is (A) (5,6,-10) (B) (5,10,-6) (C) (-6,5,10) (D) (-6,10,5)

2x + 3y-5z = 7, x + y + z = 6,3x-4y + 2z = 1, then x =

RS AGGARWAL-RATIO AND PROPORTION-All Questions
  1. If x : y=3:4\ a n d\ a : b=1:2, then the value of (2x a+y b)/(3y b-...

    Text Solution

    |

  2. If a : b : c=2:3:4,\ t h e n1/a :1/b :1/c is equal to 1/4:1/3:1/2 b. 4...

    Text Solution

    |

  3. If 1/x :1/y :1/z=2:3:5\ t h e n\ x : y : z is equal to 2:3:5 b. 15 : 1...

    Text Solution

    |

  4. If (x+y):(x-y)=4:1,\ t h e n\ (x^2+y^2):(x^2-y^2)=? 8: 17 b. 17 :8 c....

    Text Solution

    |

  5. 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...

    Text Solution

    |

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

    Text Solution

    |

  7. If A : B : C=2:3:5 and A=x %\ of\ (B+C), then x is equal t...

    Text Solution

    |

  8. x , y , z ,\ u are real nubs such that x : y=y : z=z : u\ a n d\ x ...

    Text Solution

    |

  9. If a : b : c=2:3:4\ a n d\ 2a-3b+4c=33 , then the value of c is ...

    Text Solution

    |

  10. 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

    |

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

    Text Solution

    |

  12. 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

    |

  13. 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

    |

  14. 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

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. 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

    |

  18. 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

    |

  19. 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

    |

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

    Text Solution

    |