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If the length of a rectangle is incre...

If the length of a rectangle is increased by 10% and its breadth is decreased by 10%, the change in its area will be (a) 1% increase  (b) 1% decrease  (c) 10% increase  (d) No change

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Knowledge Check

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

    A
    neither decreased nor increased
    B
    increased by 1%
    C
    decreased by 1%
    D
    decreased by 10%

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

    A
    0%
    B
    1%
    C
    5%
    D
    10%

  • The length of a rectangle is increased by 10% and the breadth is increased by 25%. What is the percentage change in its area?

    A
    Increase of 37.5%
    B
    Decrease of 25%
    C
    Decrease of 37.5%
    D
    Increase of 25%

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