Home
Class 10
MATHS
If the radius of a circle is diminish...

If the radius of a circle is diminished by 10%, then its area is diminished by (a) 10% (b) 19% (c) 20% (d) 36%

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    RD SHARMA ENGLISH|Exercise All Questions|329 Videos

Similar Questions

Explore conceptually related problems

If diameter of a circle is increased by 40%, then its area increases by (a) 96% (b) 40% (c) 80% (d) 48%

The slant height of a cone is increased by 10%. If the radius remains the same, the curved surface area is increased by (a) 10% (b) 12.1% (c) 20% (d) 21%

If 90 is increased by 10% , then find the increased amount.

If the length of a rectangle is increased by 30% and its width is increased by 10%, by what percentage will be the area of the rectangle be increased?

Find 10% less than Rs 150.

What percent of 2/7 is 1/(35)? (a) 25% (b) 20% (c) 15% (d) 10%

If the cost price of 6 pencils is equal to the selling price of 5 pencils, then the gain percent is (a) 10% (b) 20% (c) 15% (d) 25%

Find 10% more than Rs 90.

If the cost price of 15 pens is equal to the selling price of 20 pens, than the loss percent is (a) 25% (b) 20% (c) 15 % (d) 10%

A trader purchased a bicycle for Rs 2500 and sold at Rs 2700. His profit percentage is (a) 8% (b) 10% (c) 6 % (d) 4%

RD SHARMA ENGLISH-AREAS RELATED TO CIRCLES-All Questions
  1. The area of a circle is 220\ c m^2 . The area of a square inscribed in...

    Text Solution

    |

  2. If the circumference of a circle increases form 4pi to 8pi , what ...

    Text Solution

    |

  3. If the radius of a circle is diminished by 10%, then its area is di...

    Text Solution

    |

  4. If the area of a square is same as the area of the circle, then the...

    Text Solution

    |

  5. What is the area of the largest triangle that can be inscribed in a se...

    Text Solution

    |

  6. The ratio of the areas of a circle and an equilateral triangle whos...

    Text Solution

    |

  7. If the sum of the areas of two circles with radii r1 and r2 is equal t...

    Text Solution

    |

  8. If the perimeter of a semi-circular protractor is 36 cm, then its d...

    Text Solution

    |

  9. The perimeter of the sector O A B shown in Fig. 15.106, is (a) (64)...

    Text Solution

    |

  10. If the perimeter of a sector of a circle of radius 6.5 cm is 29 cm,...

    Text Solution

    |

  11. If the area of a sector of a circle bounded by an arc of length 5pi...

    Text Solution

    |

  12. The area of the circle that can be inscribed in a square of side 10...

    Text Solution

    |

  13. If the difference between the circumference and radius of a circle ...

    Text Solution

    |

  14. The area of a circular path of uniform width h surrounding a circu...

    Text Solution

    |

  15. If A B is a chord of length 5sqrt(3) cm of a circle with centre ...

    Text Solution

    |

  16. The area of a circle whose area and circumference are numerically e...

    Text Solution

    |

  17. If diameter of a circle is increased by 40%, then its area increase...

    Text Solution

    |

  18. In Fig. 15.107, the shaded area is (FIGURE) (a) 50(pi-2)c m^2 (b) ...

    Text Solution

    |

  19. In Fig. 15.108, the area of the segment P A Q is (FIGURE) (a) (a^2)/4(...

    Text Solution

    |

  20. In Fig. 15.109, the area of segment A C B is (FIGURE) (a) (pi/3-(sq...

    Text Solution

    |