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Railways Sample Paper RRB (Group D) Sample Test Paper-8

  • question_answer
    If each side of a square is increased by 10%, its area will be increased by

    A)  10%                

    B)  21%

    C)  44%                

    D)  100%

    Correct Answer: B

    Solution :

    [b] Increase percent in area \[=\left( 10+10+\frac{10\times 10}{100} \right)%=21%\]


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