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SSC Sample Paper SSC CGL - Sample Paper-8

  • question_answer
    The sum and product of two numbers are 11 and 18 respectively. The sum of their reciprocals is

    A)  \[\frac{2}{11}\]                        

    B) \[\frac{11}{2}\]

    C)  \[\frac{18}{11}\]                                  

    D)  \[\frac{11}{18}\]

    Correct Answer: D

    Solution :

    Let the numbers be x and y. According to the question, \[x+y=11\]                                ? (i) \[xy=18\]                                  ? (ii) Dividing Eq. (i) by Eq. (ii)             \[\frac{x+y}{xy}=\frac{1}{y}+\frac{1}{x}=\frac{11}{18}\]


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