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5th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    AB is a line segment 2017 cm long. Squares are drawn as shown in the diagram. The length of the line segment\[A{{A}_{1}}{{A}_{2}}{{A}_{3}}{{A}_{4}}{{A}_{5}}{{A}_{6}}{{A}_{7}}{{A}_{8}}{{A}_{9}}{{A}_{10}}{{A}_{11}}{{A}_{12}}B\]is

    A)  2017 cm                      

    B)  4022 cm

    C)  6051 cm                      

    D)  7051 cm

    Correct Answer: C

    Solution :

    \[A{{A}_{1}}{{A}_{2}}{{A}_{3}}{{A}_{4}}{{A}_{5}}{{A}_{6}}{{A}_{7}}{{A}_{8}}{{A}_{9}}{{A}_{10}}{{A}_{11}}{{A}_{12}}B=\] \[x+x+x+y+y+y+z+z+z+\]\[a+a+a+b+b=b+c+c+c\] \[=3x+3y+3z+3a+3b+3c\]\[=3(a+b+c+x+y+z)\]                                 ? (i) \[AB=2017\,\,cm=x+y+z+a+b+c\]       ? (ii) Putting (ii) in (i) \[\Leftrightarrow \]\[3\times 2017\,\,cm=6051\,\,cm\]


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