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  • There is a vessel holding 40 litres of milk.

 

There is a vessel holding 40 litres of milk. 4 litres of milk is initially taken out from the vessel and 5 litres of water is poured in. After this, 5 litres of the mixture from this vessel is replaced with 6 litres of water. And finally 6 litres of mixture from this vessel is replaced with 7 litres of water. How much of the milk (in litres) is there is the vessel now?

 

  • Option 1)

     

    20.24

     

  • Option 2)

     

    27.09

     

  • Option 3)

     

    24.72

     

  • Option 4)

     

    29.42

     

  • Option 5)

     

    22.42

     

Answers (1)

40 L milk from which 4L drawn out

So 40 \times 0.9 = 36 \:L milk + 5 liter water

 Milk = 36 \times(1-\frac{5}{41})

= 31.6 L + 11L  water

Now = 31.6 \times (1- \frac{6}{42.6})

= 27.09 L milk + (11+7) water

Means = 27.09 L milk + 18 liter water

So final milk = 27.09\: L 

Posted by

Satyajeet Kumar

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