Multiple Choice Questions on The length and breadth of a rectangular piece of a land are in a ratio 5 3 The owner spent Rs 6000 f........... for SSC CGL Exam Preparation

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Multiple Choice Questions

The length and breadth of a rectangular piece of a land are in a ratio 5 3 The owner spent Rs 6000 f...........

Quantitative Aptitude (CGL) Mensuration 3D
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    The length and breadth of a rectangular piece of a land are in a ratio 5:3. The owner spent Rs. 6000 for surrounding it from all sides at Rs.7.50 per metre. The difference between its length and breadth is

    50 metres

    Incorrect Answer

    100 metres

    Correct Answer

    150 metres

    Incorrect Answer

    250 metres

    Incorrect Answer
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    Explanation:


    2(l+b)=2(5x+3x)
    surrounding at Rs. 7.5
    So, 2(5x+3x)×7.5=6000
    8x×15=6000
    x=400/8
    x=50
    l=5×x=5×50=250
    b=3x=3×50=150
    (l−b)=250−150=100

    By: MIRZA SADDAM HUSSAIN
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