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NTSE Sample Paper NTSE SAT Practice Test-19

  • question_answer
    The ratio between the ages of A and B is 2 : 5. After 8 years, their ages will be in the ratio 1 : 2. What is the difference between their present ages?

    A) 20 years           

    B) 22 years

    C) 24 years      

    D) 25 years

    Correct Answer: C

    Solution :

    [c] Let 2x and 5x be the present ages of A and B \[\Rightarrow \left( 2x+8 \right):\left( 5x+8 \right)=1:2\] \[\Rightarrow x=8\] Thus difference in their present ages \[=3x=3\times 8\text{ }yrs=24\]years     


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