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SSC Sample Paper Mock Test-12 SSC CGL Tear-II Paper-1

  • question_answer
    If the length and breadth of a rectangular plot are increased by 50% and 20% respectively, then the new area is how many times the original area?

    A)  \[\frac{5}{9}\]

    B)  10     

    C)  \[\frac{9}{5}\]

    D)  20

    Correct Answer: C

    Solution :

    Let length \[=x.\] and the breadth\[=y\] The original area \[=xy\] New length = 150 % of \[x=\frac{150x}{100}=\frac{3x}{2}\] New breadth =120% of y\[=\frac{120y}{100}=\frac{6y}{5}\] New area \[=\frac{3x}{2}\times \frac{6y}{5}=\frac{9}{5}xy=\frac{9}{5}\]           (Original area)


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