Railways Mathematics Ratio Proportion and Partnership Sample Paper Ratio, Proportion & Partnership Sample Test Paper-6

  • question_answer If \[(x+4):(3x+15)\] is the triplicate of 2 : 3, then the value of x is

    A)  1                    

    B)  3

    C)  4                    

    D)  None of these

    Correct Answer: C

    Solution :

    [c] Given \[\frac{x+4}{3x+15}={{\left( \frac{2}{3} \right)}^{3}}=\frac{8}{27}\] \[27x+108=24x+120\] 3x = 12 x = 4


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