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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-18

  • question_answer
    The average age of a mother and her daughter is 21 years. The ratio of their respective ages is\[5:1\]. What will be the ratio of their ages after 5 years?

    A)  \[10:3\]                        

    B)  \[5:2\]

    C)  \[4:1\]                          

    D)  \[3:1\]

    Correct Answer: A

    Solution :

     \[M+D=42\]years \[M:D=5:1\Rightarrow \,6r=42\Rightarrow r=7\] \[\therefore \]  Mother's age \[=5r=5\times 7=35\] Daughter's age \[=1r=1\times 7=7\] Ratio of ages after five years \[M:D=40:12=\underline{\mathbf{10:3}}\]


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