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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-7

  • question_answer
    The length of rectangle is 20 cm more than its breadth. The perimeter of the rectangle is 76 cms. What is the length of the rectangle?

    A)  40 cms           

    B)  36 cms

    C)  18 cms           

    D)       None of these

    Correct Answer: D

    Solution :

     Let the breadth be \[x\] cm.   \[\therefore \]Length \[=(x+20)\] cm   \[\therefore \] \[2(x+20+x)=76\]   \[\therefore \] \[2x+20=38\]   \[\Rightarrow \]\[2x=18\] \[\Rightarrow \] \[x=9\]   \[\therefore \] Length = 29 cm


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