Home
Class 8
MATHS
The price of an article was increased by...

The price of an article was increased by r%. Later the new price was decreased by r%. If the latest price was Re. 1, then the original price was :

A

1

B

`(1-r^(2))/(100)`

C

`sqrt(1-r^(2))/(100)`

D

`(10000)/(10000-r^(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PERCENTAGE AND ITS APPLICATIONS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET (SECTION-A PERCENTAGE)|10 Videos
  • PERCENTAGE AND ITS APPLICATIONS

    S CHAND IIT JEE FOUNDATION|Exercise QUESTION BANK (SECTION-B PROFIT AND LOSS)|30 Videos
  • PERCENTAGE AND ITS APPLICATIONS

    S CHAND IIT JEE FOUNDATION|Exercise SELFT ASSESMENT SHEET (SECTION-C DISCOUNT )|10 Videos
  • NUMBERS

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet|10 Videos
  • POLYGONS AND QUADRILATERALS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET - 23 |10 Videos

Similar Questions

Explore conceptually related problems

The price of an article is first decreased by 20% and then increased by 30%. If the re sulting price is 416, the original price of the article is

Price of an article is reduced by K% and the reduced price is increased by K% . If present price is (P)/(100) then find out the initial price .

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.

the price of sweater is increased by 8% if its increased price is ₹ 1566 find the original price

The marked price of an article is increased by 25% and the selling price is increased by 16.66% , then the amount of profit doubles. If the original marked price be Rs. 400 which is greater than the corresponding cost price by 33.33% , what is the increased selling price?

S CHAND IIT JEE FOUNDATION-PERCENTAGE AND ITS APPLICATIONS-QUESTION BANK (SECTION-A PERCENTAGE)
  1. The number of employees working in a farm is increased by 25% and the ...

    Text Solution

    |

  2. If the price of a book is first decreased by 255 and then increased by...

    Text Solution

    |

  3. The price of an article was increased by r%. Later the new price was d...

    Text Solution

    |

  4. Price of a commodity has in creased by 60%. By what per cent must a co...

    Text Solution

    |

  5. The price of an article is reduced by 25% but the daily sale of the ar...

    Text Solution

    |

  6. If the altitude of a triangle is increased by 10% while its area remai...

    Text Solution

    |

  7. In the expression xy^(2) , the values of both variables x and y are de...

    Text Solution

    |

  8. In a hotel 60% had vegetarian lunch while 30% had non vegetarian ,lunc...

    Text Solution

    |

  9. A student took five papers in ail examination, where hill marl were...

    Text Solution

    |

  10. In an examination 70% of the candidates passed in English, 80% passed ...

    Text Solution

    |

  11. In a medical certificate, by mistake a candidate gave his height as 25...

    Text Solution

    |

  12. A 20% hike in bus fare resulted in a 10% fall in passenger traffic, st...

    Text Solution

    |

  13. If A's salary is 25% higher than B's salary, then how much per cent is...

    Text Solution

    |

  14. In an examination which full marks were 800, A gets 205 more than B...

    Text Solution

    |

  15. A father gives 1% of his monthly salary to his two sons as pocket mone...

    Text Solution

    |

  16. In an examination Mohit obtained 20% more marks than Sushant but are 1...

    Text Solution

    |

  17. Mira's expenditure and savings are in the ratio 3:2. Her income increa...

    Text Solution

    |

  18. A tax payer is exempted of income tax for the first 100000 of his annu...

    Text Solution

    |

  19. Mrs. Sharma invests 15% of her monthly salary, Le., 4428 in Mutual fun...

    Text Solution

    |

  20. A house-owner was having his house painted. He was advised that he wou...

    Text Solution

    |