A housewife has 11 litre of solution that contains milk and water in the ratio 3:1. She adds 250 ml of 3:2 solution of milk and water to it and then uses 250 ml of the combined mixture to make curd. How much of pure milk is she left with?

  • Option 1)

    1,000 ml

  • Option 2)

    7250 ml

  • Option 3)

    7500 ml

  • Option 4)

    7200 ml

  • Option 5)

    9125 ml

Answers (1)

11L = 3:1, milk = 33/4 L , 11/4 L = water

250 ml = 382 , milk = 150 , water = 100 L

Total milk = 633/4, water = 411/4

Milk= 8.4 L , water = 2.85 L

Now 250 ml taken out of 11.25 L means 1/10th part taken  so final milk = 8.4 x 9/10= 7.20L

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