Home
Class 14
MATHS
If he length of a rectangle is increased...

If he length of a rectangle is increased by 12% and the breadth is decreased by 8%, the net effect on the area is:
यदि आयत की लंबाई 12% बढ़ जाती है और चौड़ाई 8% कम हो जाती है, तो इस क्षेत्र का शुद्ध प्रभाव है:

A

increase by 3.04%

B

increase by 2.6%

C

decrease by 3.04%

D

decrease by 2.6%

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MEAN, MEDIAN & MODE

    PINNACLE|Exercise EXERCISE|39 Videos
  • MIXTURE & ALLIGATION

    PINNACLE|Exercise EXERCISE|26 Videos

Similar Questions

Explore conceptually related problems

If he length of a rectangle is increased by 12% and the breadth is decreased by 8%, the net effect on the area is: यदि आयत की लंबाई 12% बढ़ जाती है और चौड़ाई 8% कम हो जाती है, तो क्षेत्रफल पर शुद्ध प्रभाव इस प्रकार है:

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

If the length of a rectangle is increased by 40% and the breadth is decreased by 20%, then the area of the rectangle is increased by x%. The value of x is: यदि किसी आयत की लंबाई 40% बढ़ा दी जाती है तथा चौड़ाई 20% कम कर दी जाती है, तो इस आयत का क्षेत्रफल x % बढ़ जाता है | x का मान है :

If the length of a rectangle is increased by 40% and the breadth is decreased by 20%, then the area of the rectangle is increased by x%. The value of x is: यदि किसी आयत की लंबाई 40% बढ़ा दी जाती है तथा चौड़ाई 20% कम कर दी जाती है, तो इस आयत का क्षेत्रफल x % बढ़ जाता है | x का मान है :

If the length of a rectangle is decreased by 11% and the breadth is increased by 11%, its area will undergo : यदि किसी आयत की लंबाई को 11% से कम कर दिया जाए और इसकी चौड़ाई 11% से बढ़ा दी जाए, तो इसका क्षेत्रफल :

If the radius of the base of a right circular cylinder is increased by 20% and the height is decreased by 30% then what is the percentage increase/decrease in the volume ? यदि सिलेंडर के आधार की त्रिज्या 20% बढ़ जाती है और लंबाई 30% तक कम हो जाती है तो आयतन में प्रतिशत वृद्धि / कमी क्या है?

If the length and breadth of a rectangle are increased by 8% and 12% respectively, then by what percentage area of that rectangle increase?

PINNACLE-MENSURATION-EXERCISE
  1. A secant is drawn from a point P to a circle P to a circle so that it ...

    Text Solution

    |

  2. If one side of a triangle is 7 with its perimeter equal to 18, and are...

    Text Solution

    |

  3. If he length of a rectangle is increased by 12% and the breadth is dec...

    Text Solution

    |

  4. PA and PB are tangents to the circle and O is the centre of the circle...

    Text Solution

    |

  5. A circle is inscribed in the triangle ABC whose sides are given as AB ...

    Text Solution

    |

  6. Find the perimeter of a right angle triangle whose sides have sizes of...

    Text Solution

    |

  7. Two circles touch each other externally. The distance between their ce...

    Text Solution

    |

  8. The wheel of a car has 210 cm diameter. How many revolutions per minut...

    Text Solution

    |

  9. If the perimeter and length of a rectangle are in the ratio 6:1 and th...

    Text Solution

    |

  10. The perimeter of an isosceles triangle is 125 cm. If the base is 33 cm...

    Text Solution

    |

  11. Two circles with the same centre P have radii 7.5 cm and 4.4 cm. Throu...

    Text Solution

    |

  12. The length of a rectangle plot is five times of its breadth. If the ar...

    Text Solution

    |

  13. Two small circular grounds of diameters 42 m and 26 m are to be replac...

    Text Solution

    |

  14. The perimeter of an isosceles triangle is 90 cm. If the base is 26 cm,...

    Text Solution

    |

  15. In an isosceles right-angled triangle, the perimeter is 30 m. Find its...

    Text Solution

    |

  16. The three medians AX, BY and CZ of triangle ABC intersect at point L. ...

    Text Solution

    |

  17. The area of an isosceles right angles triangle is 121 cm^2. Find its h...

    Text Solution

    |

  18. Two circles of radii 20 cm and 5 cm respectively, touch each other ext...

    Text Solution

    |

  19. The area of the quadrant of a circle whose circumference is 22 cm, wil...

    Text Solution

    |

  20. The distance between the centres of two equal circles each of radius 4...

    Text Solution

    |