Home
Class 8
MATHS
If the area of reatangle is increased by...

If the area of reatangle is increased by `13%` and its breadth is increased by `5%,` then what is the percentage increase in its length? (Approximately)

A

`10%`

B

`8%`

C

`18%`

D

`12%`

Text Solution

Verified by Experts

The correct Answer is:
B

Let the length and breadth be 10x and 10y.
Promotional Banner

Topper's Solved these Questions

  • PERCENTAGES

    PEARSON IIT JEE FOUNDATION|Exercise LEVEL 2|25 Videos
  • PERCENTAGES

    PEARSON IIT JEE FOUNDATION|Exercise LEVEL 3|7 Videos
  • PERCENTAGES

    PEARSON IIT JEE FOUNDATION|Exercise ESSAY TYPE QUESTIONS|5 Videos
  • MOCK TEST PAPER

    PEARSON IIT JEE FOUNDATION|Exercise Questions|5 Videos
  • POLYNOMIALS, LCM AND HCF OF POLYNOMIALS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 3)|6 Videos

Similar Questions

Explore conceptually related problems

The length of a rectangle is increased by 10% and the breadth is increased by 25%. What is the percentage change in its area?

If length of a rectangle is increased by 10% and breadth is increased by 15%, then what will be the percentage increase in the area of rectangle ?

If the length of a rectangle increases by 50%and the breadth decreases by 25%, then what will be the percent increase in its area?

If the length of a rectangle is increased by 20% and breadth is increased by 30%, then what will be the percentage increase in the area of rectangle ?

If length of the rectangle is increased by 50% and breadth is decreased by 20%. Then, what is the percentage change in the area?

If length of the rectangle is increased by 50% and breadth is decreased by 20% . Then what is the percentage change in the area?

PEARSON IIT JEE FOUNDATION-PERCENTAGES-LEVEL 1
  1. By what per cent will the area f a square change if its side is increa...

    Text Solution

    |

  2. The population of a city increases by 30% every year. If the present p...

    Text Solution

    |

  3. A's expenditure is 20% more than B's expenditure. B's expenditure is 3...

    Text Solution

    |

  4. Two numbers x and y, are in the ratio 5/6:3/4. By what per cent is x m...

    Text Solution

    |

  5. Ramu save 14% of his salary while Ramesh saves 24%. If both get equal ...

    Text Solution

    |

  6. The side of square ABD is 20% longer than the side of square PQRS. By ...

    Text Solution

    |

  7. Only two candidates A and B contested in an election. In the total of ...

    Text Solution

    |

  8. Raje's salary was first increased by 10% then decreased by 20% If the ...

    Text Solution

    |

  9. If A is 50% more than B, then B is less than A by

    Text Solution

    |

  10. Jacob and Mohan same 20% and 40% of their respective incomes. If their...

    Text Solution

    |

  11. There are 3 numbers. The first and second numbes are 20% and 40% more ...

    Text Solution

    |

  12. Three commodities, their consumption and their pieces in the years 198...

    Text Solution

    |

  13. If the area of reatangle is increased by 13% and its breadth is increa...

    Text Solution

    |

  14. A man donated 6% of his income to a charity and deposited 20% of the r...

    Text Solution

    |

  15. madhav's salry is first increased by x% and then decreased by x%. As a...

    Text Solution

    |

  16. The quantities consumed and the cost per kg of the commodities for the...

    Text Solution

    |

  17. The price of an article increases by 10%, 15%and 20% in 3 consecutive ...

    Text Solution

    |

  18. If X is 3% of Z and Y is 60% of Z, then X is what percentage of Y ?

    Text Solution

    |

  19. What per cent of 150 is 45?

    Text Solution

    |

  20. If 20% of 30% of a certain number is 3000, find the number.

    Text Solution

    |