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NTSE Sample Paper NTSE SAT Practice Test-13

  • question_answer
    Milk contains 5% water. What quantity of pure milk should be added to 10 litres of milk to reduce water in the new mixture to 2%?

    A) 5 litres              

    B)        7 litres

    C) 15 litres    

    D)        18 litres

    Correct Answer: C

    Solution :

    [c] Contents of water in 10 litres of milk = 5% of 10-0.5 litres. If x litres of pure milk is added, then 2% of (10+x)=0.5 \[\Rightarrow x=15.\]     


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