Home
Class 14
MATHS
An ore contains 25% of an Alloy, out of ...

An ore contains `25%` of an Alloy, out of that `90%` is iron. Besides, the remaining `75%` of the alloy doesn't contain any iron. Find out the required amount of the ore to get 60kg of pure iron. (approx)

A

267/ kg

B

260/ kg

C

245/ kg

D

255/ kg

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PARTNERSHIP

    MOTHERS|Exercise MULTIPLE CHOICE QUESTION |51 Videos
  • PROFIT & LOSS

    MOTHERS|Exercise MULTIPLE CHOICE QUESTIONS|300 Videos

Similar Questions

Explore conceptually related problems

42. An ore contains 25% of an alloy, which contains 90% iron. Additionally, ore The remaining 75% of K contains no iron. Expected quantity of ore for 60 kg of pure iron Is in kg, about- (a) 250.57 (b) 266.67 (c) 275.23 (d) 300

A ore contains 12% copper how many kilograms of the ore are required to get 69 kg of copper

An alloy contains 32% copper, 40% nickel and rest zinc. Find the mass of the zinc is 1 kg of the alloy.

An alloy contains 40% copper, 32% nickel and rest zinc. Find the mass of zinc in one kg of the alloy

Gunpowder contains 75% of nitre and 10% of sulphur,and the rest of it is charcoal.Find the amount of charcoal in 8 kg of gunpowder.

Gunpowder contains 75% of nitre and 10% of sulphur and the rest of it is charcoal find the amount of charcoal in 8 kg of gunpowder

An alloy contains 30% copper, 42% nickel and rest zinc. Find the mass of zinc in 1 kg of alloy.

An industrial solvent of 90% strength is prepared and stored Q in a 150 litres capacity container. The container is filled to 80% of its capacity. It is required to decrease the concentration of the solvent in the container to less than 60°%. For doing this, eithe pure water can be added to it and/or solution can be removed. But removal can only be done if there is no place for adding water. At a given time, only 10 litres of the solution can be added or removed. How many times should water be added to the solution?

MOTHERS-PERCENTAGE-MULTIPLE CHOICE QUESTIONS
  1. A building is made of cost Rs. 2,19,700 at a plot of cost Rs. 51200 . ...

    Text Solution

    |

  2. Shelf A contains 4//5 of the books in shelf B. What will be the percen...

    Text Solution

    |

  3. An ore contains 25% of an Alloy, out of that 90% is iron. Besides, the...

    Text Solution

    |

  4. In the expression x^(3)y^(2) , the value of x and y decrease by 25% an...

    Text Solution

    |

  5. Out of 2500 people, Only 60% have the saving habit. If 30% save with b...

    Text Solution

    |

  6. In an examination there were 37(1)/(2)% girls. Only 62(1)/(2)% of the ...

    Text Solution

    |

  7. A man spend 80% of his income , due to increase in his living expendit...

    Text Solution

    |

  8. Water tax is increased by 20% but its consumption is decreased by 20%....

    Text Solution

    |

  9. If 60% of A=30% of B, B=40% of C and C=x% of A, then value of x is

    Text Solution

    |

  10. In an office, 40% of the staff is female. 70% of the female staff and ...

    Text Solution

    |

  11. Of the 1000 inhabitants tin a town 60% are males of whom 20% are liter...

    Text Solution

    |

  12. 25% of annual salary of A is equal to eighty percent of annual salary ...

    Text Solution

    |

  13. Two numbers are less than a third number by 30% and 37% respectively. ...

    Text Solution

    |

  14. A reduction of 20% in the price of sugar enables a purchaser to obtain...

    Text Solution

    |

  15. The price of an antique is reduced by 20% and then this price is again...

    Text Solution

    |

  16. From 1980-1990, the population of a country was increased by 20%. Fr...

    Text Solution

    |

  17. The number that is to be added to 10% of 320 to have the sum as 30% of...

    Text Solution

    |

  18. Anil expenses 30% on his food, 10% clothing and 25% on entertainment h...

    Text Solution

    |

  19. Aman spends (1)/(3) of his income on food, (2)/(5) of his income on ho...

    Text Solution

    |

  20. If a person spends 40% of his income on food, 20% on house rent and 70...

    Text Solution

    |