How much water must be added to 60 litres of milk at 3/2 litres for Rs. 20 so as to have a mixture worth Rs. 32/3 a litres ?

  • Option 1)

    14L

  • Option 2)

    15L

  • Option 3)

    18L

  • Option 4)

    20L

  • Option 5)

    12 L

Answers (1)

3/2 liters rate = 20 Rs.

1 liters rate = 20 x 2/3 = 40 /3

Milk= 40/3; water = 0, mixture = 32/3

Ratio = 8/3:32/3 = 1:4

As (quantity of cheaper /quantity of dearer) = d-m/m-c = 1/4

X /60 = 1/4, X= 15 L

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