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SSC Sample Paper Mock Test-3 SSC CGL Tear-II Paper-1

  • question_answer
    If A : B \[=\frac{1}{2}:\frac{3}{8},\]B : C\[=\frac{1}{3}:\frac{5}{9}\]and C : D\[=\frac{5}{6}:\frac{3}{4},\]then the ratio A B : C : D is

    A)  6 : 4 : 8 : 10                

    B)  6 : 8 : 9 : 10

    C)  8 : 6 : 10 : 9    

    D)  4 : 6 : 8 : 10

    Correct Answer: C

    Solution :

    \[A:B=\frac{1}{2}:\frac{3}{8}=\frac{8}{2}:\frac{8\times 3}{8}=4:3\] \[B:C=\frac{1}{3}:\frac{5}{9}=\frac{9}{3}:\frac{9\times 5}{9}=3:5\] \[C:D=\frac{5}{6}:\frac{3}{4}=\frac{5\times 6}{6}:\frac{3\times 6}{4}=5:\frac{9}{2}\] \[\therefore \]\[A:B:C:D=4:3:5:\frac{9}{2}=8:6:10:9\]            


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