Home
Class 14
MATHS
The actual area of rectangle is 60 cm^(2...

The actual area of rectangle is `60 cm^(2)`, bit while measuring its length a student decreases it by 20% and the breadth increases by 25%. The percentage error in area, calculated by the student is :

A

0.05

B

0.25

C

can't be determined

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PERCENTAGES

    ARIHANT SSC|Exercise Exercise (Level - 2)|50 Videos
  • PERCENTAGES

    ARIHANT SSC|Exercise Final round|50 Videos
  • PERCENTAGES

    ARIHANT SSC|Exercise Introductory Exercise - 5.3|10 Videos
  • PERCENTAGE

    ARIHANT SSC|Exercise Higher Skill Level Questions|27 Videos
  • PERMUTATIONS & COMBINATIONS

    ARIHANT SSC|Exercise FINAL ROUND|38 Videos

Similar Questions

Explore conceptually related problems

The length of a rectangle is decreased by 10% and its breadth is increased by 10%. By what percent is its area changed ?

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 the length of a rectangle is increased by 12% and the width decreased by 15% , the area

The length of a rectangle is increased by 20% and width is decreased by 20%. Find the change percentage in area.

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?

The length and breadth of a rectangle are 20 m and 15 m respectively. If length is increased by 20% and the breadth by 30%, the percentage increase in its area is

The length of a rectangle is increased by 10% and breadth is decreased by 10%. Then the area of the new rectangle is

If the length of a rectangle is increased by 25% and the width is decreased by 20%, then the area of rectangle will be

ARIHANT SSC-PERCENTAGES-Exercise (Level - 1)
  1. MDTV is a very popular TV channel. It telecasts the programmers from 8...

    Text Solution

    |

  2. Lagaan is levied on the 60% of the cultivated land. The revenue depart...

    Text Solution

    |

  3. The actual area of rectangle is 60 cm^(2), bit while measuring its len...

    Text Solution

    |

  4. The cost of packaging of the mangoes is 40% the cost of fresh mangoes ...

    Text Solution

    |

  5. Abhinav scores 80% in Physics and 66% in chemistry and the maximum mar...

    Text Solution

    |

  6. In the New Stock Exchange there are 45% female employees and thus the ...

    Text Solution

    |

  7. Three candidates A,B and C contested an election. Out of the total vot...

    Text Solution

    |

  8. The cost of a car is 400% greater than the cost of a bike. If there is...

    Text Solution

    |

  9. The square of a positive number is 2,000% greater than the number itse...

    Text Solution

    |

  10. The monthly salary of Shahia and Kareena together is $ 28,000. The sal...

    Text Solution

    |

  11. 80% of a smaller number is 4 less than 40% of a larger number. The lar...

    Text Solution

    |

  12. 220% of a number 'X' is 44. What is 44% of 'X' ?

    Text Solution

    |

  13. The shopkeeper increased the price of a product by 25% so that custome...

    Text Solution

    |

  14. In the previous government, party Q was in the opposition. Now increas...

    Text Solution

    |

  15. If an examination a candidate got 30% marks and failed by 30 marks. If...

    Text Solution

    |

  16. In a school there are 1800 students. Last day except 4% of the boys al...

    Text Solution

    |

  17. In a library 60% of the books are in Hindi, 60% of the remaining are i...

    Text Solution

    |

  18. In a test there are total n questions. Bhanu answers 20 out of 25 ques...

    Text Solution

    |

  19. In a class of MBA students 16.66% students are from Science background...

    Text Solution

    |

  20. An alloy contains the copper and aluminium in the ratio of 7:4. While ...

    Text Solution

    |