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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-11

  • question_answer
    If length and breadth of a rectangular are increased by 20% and 30% respectively. Then % increase in area will be?

    A)  58%                            

    B)  54%

    C)  60%                

    D)       56%

    Correct Answer: D

    Solution :

     % increase in area \[=(20+30)+\frac{20\,\,\,\,\,30}{100}\]                                    \[=50+6=56%\]


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