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6th Class Mathematics Ratio and Proportion Question Bank Ratio, Proportion & Unitary Method

  • question_answer
    If \[\frac{a}{b}=\frac{c}{d}=\frac{e}{f},\]then \[\frac{6a+9c+2c}{6b+9d+2f}=\]?

    A) \[\frac{a}{b}\]                        

    B)  \[\frac{c}{d}\]

    C) \[\frac{e}{f}\]                         

    D)  All of these

    Correct Answer: D

    Solution :

    \[\frac{a}{b}=\frac{c}{d}=\frac{e}{f}\]are in simplest form \[a=c=e\]are equals. \[b=d=f\] Then,\[\frac{6a+9c+2e}{6b+9d+2f}=\frac{12a}{12b}=\frac{a}{b}\] 1st make all in respect to\[a\] \[2nd=\frac{17c}{17d}=\frac{c}{d}\]        \[3rd=\frac{17e}{17f}=\frac{e}{f}\] All of these.


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