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5th Class Mathematics Arithmetic Question Bank Arithmetic

  • question_answer
    If \[A:B=5:6\] and\[B:C=8:9\], then\[A:B:C=\]

    A)  20 : 27 : 24                  

    B)  24 : 20 : 27

    C)  27 : 24 : 20                  

    D)  20 : 24 : 27

    Correct Answer: D

    Solution :

    \[A:B=5:6,\,\,B:C=8:9\] \[A:B:C=A:B\] \[B:C\] \[\mathbf{AB:}{{\mathbf{B}}^{\mathbf{2}}}\mathbf{:BC}\] \[A:B:C=5:6\] \[B:C=8:9\] \[40:48:54\] Hence\[A:B:C=20:24:27\]


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