Home
Class 8
MATHS
When the price of an article is increase...

When the price of an article is increased by `15%` the number of articles aold decreases by `20%` What is the percentage change in the sales revenue? (Sales revenue = piece of each article X number of articles sold).

A

`5%` increase

B

`3%` decrease

C

`8%` increase

D

`8%` decrease

Text Solution

Verified by Experts

The correct Answer is:
D
(i) Let the original price be Rs. 10x and the number of articles sold be 10y.
(ii) Assume the price of each article as Rs. 100 and number of articles as 100.
(iii) Now, price of each article is Rs.115 and the number of articles sold is 80.
(iv) Now, find the sales revenues initially and after the change.
Promotional Banner

Topper's Solved these Questions

  • PERCENTAGES

    PEARSON IIT JEE FOUNDATION|Exercise LEVEL 3|7 Videos

  • PERCENTAGES

    PEARSON IIT JEE FOUNDATION|Exercise Test Your Concepts (Very Short Answer Type Questions)|29 Videos

  • PERCENTAGES

    PEARSON IIT JEE FOUNDATION|Exercise LEVEL 1|28 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

When the price of an article is increased by p%, then quantity of sales decrease by 10% but sales revenue increases by 10% Find p.

When the price of an article is reduced by 15% the sales increases by 35% .The percentage change in the total amount of receipts is

The price of an article decreased by 20% as a result of which the sale increased by 10%. What will be the effect on the total revenue of the shop?

The price of an article is first increased by 20% and later on the price was decreased by 25% due to reductionin sales. Find the net percentage change in final price of article.

PEARSON IIT JEE FOUNDATION-PERCENTAGES-LEVEL 2
  1. Madan spends 50% of his income on house hold expenditure and 60% of th...

    Text Solution

    |

  2. In the year 2001, the price of article A is 20% more than the price of...

    Text Solution

    |

  3. When the price of an article is increased by 15% the number of article...

    Text Solution

    |

  4. The population of a town increases by 25% annually. If the present pop...

    Text Solution

    |

  5. Ravi has some money with him. He give 50% of it to Rupa and 30% to Raj...

    Text Solution

    |

  6. The ratio of boys and girls in a class is 5:3.20% of the boys and 60% ...

    Text Solution

    |

  7. There are three quantities A, B and C. B is 16(2)/(3)% less than A and...

    Text Solution

    |

  8. A's savings is 30% less than B's savings, B's savings is 20% less than...

    Text Solution

    |

  9. If 55% of the teachers in a school are gents and the number of lady te...

    Text Solution

    |

  10. The population of a city increased at the rate of 20% every year for t...

    Text Solution

    |

  11. The total expenditure of a family in 1920 is Rs. 8,000. The cost of li...

    Text Solution

    |

  12. Kiran's salary was first incrased by 30% and then decreased by 30%. If...

    Text Solution

    |

  13. When the price of an article is increased by p%, then quantity of sale...

    Text Solution

    |

  14. The total expenditure of a school on certaion consumable items was fou...

    Text Solution

    |

  15. If two number are in the ratio 1//3:1//2, then by what percentage is t...

    Text Solution

    |

  16. 40% of M is 600 more than 25% of M. Find M.

    Text Solution

    |

  17. A has 50% more marbles than B. If A gives 40 marbles to B, then the di...

    Text Solution

    |

  18. There are three numbers. The first number is 33^(1/3)% more than the s...

    Text Solution

    |

  19. In a class, the ratio of the number of boys to that of the firls is 11...

    Text Solution

    |

  20. The price of rice dropped by 25% As a result Sita was able to buy 5 kg...

    Text Solution

    |