7th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    The following are the steps involved in finding the value of \[x:y,\]if \[\frac{3x+4y}{2x+5y}=\frac{4}{3}\]. Arrange them in sequential order from the first to the last.
    (1) \[9x+12y=8x+20y\]
    (2) Given, \[\frac{3x+4y}{2x+5y}=\frac{4}{3}\]
    (3) \[\frac{x}{y}=8\Rightarrow x:y=8:1\]
    (4) \[3(3x+4y)=4(2x+5y)\]
    (5) \[x=8y\]

    A)  (2)-(4)-(1)-(5)-(3)

    B)  (2)-(4)-(3)-(5)-(1)

    C)  (2)-(1)-(4)-(5)-(3)

    D)  (2)-(1)-(4)-(3)-(5)

    Correct Answer: A


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