Multiple Choice Questions on A typist uses a sheet measuring 20cm by 30cm lengthwise If a margin of 2 cm is left on each side and........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A typist uses a sheet measuring 20cm by 30cm lengthwise If a margin of 2 cm is left on each side and...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    A typist uses a sheet measuring 20cm by 30cm lengthwise.If a margin of 2 cm is left on each side and a 3 cm margin on top and bottom, then percent of the page used for typing is

    64%

    Correct Answer

    74%

    Incorrect Answer

    84%

    Incorrect Answer

    94%

    Incorrect Answer
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    Explanation:

    Area of the sheet = (20×30)cm2  
    Area used for typing = [(20−4)×(30−6)]cm2   
    required % =384x100/600=64%

    By: MIRZA SADDAM HUSSAIN
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