Home
Class 14
MATHS
The dimensions of a rectangular room whe...

The dimensions of a rectangular room when increased by 4 metres, are in the ratio of 4:3 and when decreased by 4 metres, are n the ratio of 2:1. Find the dimensions of the room.

A

6 m and 4 m

B

12 m and 8 m

C

16 m and 12 m

D

24 m and 16 m

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RATIO,PROPORTION AND VARIATION

    DISHA PUBLICATION|Exercise Practice Exercises ( Standard Level)|26 Videos

  • RATIO,PROPORTION AND VARIATION

    DISHA PUBLICATION|Exercise Practice Exercises (Expert Level)|12 Videos

  • RATIO,PROPORTION AND VARIATION

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos

  • QUADRATIC AND CUBIC EQUATIONS

    DISHA PUBLICATION|Exercise Test Yourself |15 Videos

  • SET THEORY

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos
DISHA PUBLICATION-RATIO,PROPORTION AND VARIATION-Practice Exercises (Foundation Level)
  1. Three friends started a business of renting out air condi- tioners by ...

    Text Solution

    |

  2. The ratio of the prices of two houses A and B was 4 : 5 last year. Thi...

    Text Solution

    |

  3. The dimensions of a rectangular room when increased by 4 metres, ar...

    Text Solution

    |

  4. The sum of three numbers is 98. If the ratio of the first to the secon...

    Text Solution

    |

  5. Two numbers are such that the square of one is 224 less than 8 times t...

    Text Solution

    |

  6. Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third ...

    Text Solution

    |

  7. In a mixture of 45 litres, the ratio of milk and water is 3 : 2. How m...

    Text Solution

    |

  8. The ratio of the rate of flow, of water in pipes varies inversely a...

    Text Solution

    |

  9. Given that 24 carat gold is pure gold; n18 carat gold is 3/4 gold ...

    Text Solution

    |

  10. If (p)/( q - r) = (p + q)/( r) = (q)/( p), Then find q : p : r

    Text Solution

    |

  11. Salaries of A, B and C were in the ratio 3 : 5 : 7, respectively. If t...

    Text Solution

    |

  12. The average score of boys in an examination of a school is 71 and that...

    Text Solution

    |

  13. There are two mixtures of honey and water, the quantity of honey in th...

    Text Solution

    |

  14. What amounts (in litres) of 90% and 97% pure acid solutions are mixed ...

    Text Solution

    |

  15. Arvind began a business with 550 and was joined afterwards by Brij wit...

    Text Solution

    |

  16. A, B and C are partners. A receives 9/10 of the profit and B and C sha...

    Text Solution

    |

  17. A fort had provision of food for 150 men for 45 days. After 10 days, 2...

    Text Solution

    |

  18. In a mixture of 45 L, the ratio of milk and water is 2 : 1. If this ra...

    Text Solution

    |

  19. If 40% of a number is equal to two-third of another number, what is th...

    Text Solution

    |

  20. If the cost of printing a book of 320 leaves with 21 lines on each pag...

    Text Solution

    |