Home
Class 7
MATHS
The ratio of copper and zinc in an al...

The ratio of copper and zinc in an alloy is `5:3` . If the weight of the copper in the alloy is `30. 5` grams, find the weight of zinc in the alloy.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    RD SHARMA|Exercise All Questions|144 Videos
  • RATIONAL NUMBERS

    RD SHARMA|Exercise All Questions|105 Videos

Similar Questions

Explore conceptually related problems

The ratio of copper and zinc in an alloy is 5:3. If the weight of copper in the alloy is 30.5 g. find the weight of zinc in it.

The ratio of copper and zinc in an alloy is 9 : 5 If the weight of copper in the alloy is 48.6 grams. Find the weight of zinc in the alloy.

The ratio of zinc and copper in an alloy is 7:9. It the weight of the copper in the alloy is 11.7 kg,find the weight of the zinc in the alloy.

The ratio of zinc and copper in an alloy is 7:9. If the weight of copper in the alloy is 11.7 kg, find the weight of zinc in it.

The ratio of zinc and copper in an alloy is 7:9. If the weight of copper in the alloy is 12.6 kg, find the weight of zinc in it.

The ratio of copper and zinc in an alloy is 9:7 If the weight of zinc in the alloy is 9.8kg, find the weight of copper in the alloy.

An alloy is made of copper and zinc in the ratio 3:2. If the weight of zinc in the alloy is 20.4 g, what is the weight of copper in the alloy?

RD SHARMA-RATIO AND PROPORTION-All Questions
  1. Divide Rs 1500 among A , B , C in the ratio 3:5: 2.

    Text Solution

    |

  2. Ratio of the number of male and female workers in a factory is 5: 3...

    Text Solution

    |

  3. The ratio of copper and zinc in an alloy is 5:3 . If the weight of ...

    Text Solution

    |

  4. If x : y=2:3, find the value of (3x+2y):(2x+5y)dot

    Text Solution

    |

  5. If (4x+5):(3x+11)=13 : 17 , find the value of xdot

    Text Solution

    |

  6. What must be added to each term of the ratio 2:5 so that it may bec...

    Text Solution

    |

  7. A bag contains Rs 187 in the form of 1 rupee, 50 paise and 10 paise...

    Text Solution

    |

  8. If x :\ y=3:5 , find the ratio 3x+4y :8x+5y .

    Text Solution

    |

  9. If x :\ y=8:9, find the ratio (7x-4y):3x+2ydot

    Text Solution

    |

  10. If two numbers are in the ratio 6: 13 and their L.C.M is 312, fi...

    Text Solution

    |

  11. Two numbers are in the ratio 3:5 . If 8 is added to each number,...

    Text Solution

    |

  12. What should be added to each term of the ratio 7: 13 so that the ra...

    Text Solution

    |

  13. Three numbers are in the ratio 2:3:5 and the sum of these number...

    Text Solution

    |

  14. The ages of two persons are in the ratio 5: 7. Eighteen years ago t...

    Text Solution

    |

  15. Two numbers are in the ratio 7:11. If 7 is added to each of the number...

    Text Solution

    |

  16. Two numbers are in the ratio 2: 7. If the sum of the numbers is ...

    Text Solution

    |

  17. Divide Rs 1350 between Ravish and Shikha in the ratio 2: 3.

    Text Solution

    |

  18. Divide Rs 2000 among P , Q , R in the ratio 2:3:5 .

    Text Solution

    |

  19. The boys and the girls in a school are in the ratio 7: 4. If total ...

    Text Solution

    |

  20. The ratio of monthly income to the savings of a family is 7: 2. If ...

    Text Solution

    |