Home
Class 14
MATHS
The price of a variety of a commodity is...

The price of a variety of a commodity is ₹ 7/kg and that of another is ₹ 12/kg. Find the ratio in which two varieties should be mixed so that the price of the mixture is ₹ 10/kg.
एक वस्तु की एक किस्म की कीमत ₹ 7 / किग्रा और दूसरे की ₹12 /किग्रा है। उस अनुपात का पता लगाएँ जिसमें दो किस्मों को मिलाया जाना चाहिए ताकि मिश्रण की कीमत 10 / किग्रा हो |

A

`3 : 4`

B

`2:5`

C

`2:3`

D

`4:5`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2019 TIER-II PAPER (2)

    CHAMPION PUBLICATION|Exercise EXERCISE|99 Videos
CHAMPION PUBLICATION-2019 TIER-II PAPER(3)-EXERCISE
  1. A and B together can do a piece of work in 12 days. A alone can do it ...

    Text Solution

    |

  2. If cos theta =5/13, then the value of tan^2 theta +sec^2 theta is equa...

    Text Solution

    |

  3. The price of a variety of a commodity is ₹ 7/kg and that of another i...

    Text Solution

    |

  4. If x+16/x=8, then the value of x^2+32/x^2 is: यदि x+16/x=8,तोx^2+32/...

    Text Solution

    |

  5. Evaluate the following / मान ज्ञात करे 5-[96 div 4 of 3-(16-55 div 5)...

    Text Solution

    |

  6. In a triangle ABC, D is a point on BC such that (AB)/(AC)=(BD)/(DC). ...

    Text Solution

    |

  7. The value of (1)/(15)+(1)/(35)+(1)/(63)+(1)/(99)+(1)/(143) is

    Text Solution

    |

  8. If alpha+beta=90^@, and alpha=2 beta, then the value of 3 cos^2 alpha-...

    Text Solution

    |

  9. The curved surface area of a cylinder is five times the area of a base...

    Text Solution

    |

  10. The sum of three natural numbers is 280. If the ratio between the firs...

    Text Solution

    |

  11. Study the following bar graph and answer the questions given below. ...

    Text Solution

    |

  12. In an examination, 92% of the students passed and 480 students failed....

    Text Solution

    |

  13. If sin(x+y)=cos(x-y), then find the value of cos^(2)x.

    Text Solution

    |

  14. If the perimeter of an isosceles right triangle is 8(sqrt2+1) cm, then...

    Text Solution

    |

  15. The ratio of boys and girls in a school is 27: 23. If the difference b...

    Text Solution

    |

  16. In the given figure, ABCD is a rectangle and P is a point on DC such t...

    Text Solution

    |

  17. If A’s income is 60% less than B’s income, then B’s income is what per...

    Text Solution

    |

  18. In the figure, chords AB and CD of a circle intersect externally at P....

    Text Solution

    |

  19. If x= sqrt(-sqrt3+ sqrt(3+8 sqrt(7+4 sqrt3))) where x>0, then the valu...

    Text Solution

    |

  20. In a triangle ABC, P and Q are points on AB and AC, respectively, such...

    Text Solution

    |