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  • Question
  • A mixture of 70 litres of Fruit Juice and water contains 10% water. How many litres of water should be added to the mixture so that the mixture contains 12.5% water ?


  • Options
  • A. 2 lit
  • B. 4 lit
  • C. 1 lit
  • D. 3 lit

  • Correct Answer
  • 2 lit 

    Explanation

    Quantity of fruit juice in the mixture = 70 - [70 x (10/100) ]= 63 litres.

     

    After adding water, juice would form 87.5% of the mixture.

     

    Hence, if quantity of mixture after adding x liters of water, [(87.5) /100 ]*x = 63 => x = 72 

     

    Hence 72 - 70 = 2 litres of water must be added.

  • Tags: GATE, CAT, Bank Exams, AIEEE, Bank PO, Bank Clerk

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