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

  • question_answer
    If the sum of A, B and C is 98. If \[A:B=\frac{2}{3}\]and \[B:C=\frac{5}{8}\]then\[B=?\]

    A)  15                              

    B)  20           

    C)  30                  

    D)  32

    Correct Answer: C

    Solution :

    \[A:B=2:3=10:15,B:C=5:8=15:24\]\[A:B:C=10:15:24\] \[10x+15x+24x=98\] \[49x=98\] \[x=2\] \[\therefore B=15x=30\]


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