Question

Question: 9
A vessel contains 400 liters of pure milk. 20 liters of milk is replaced by water. 40 liters
mixture is replaced by water. Find the ratio of Milk and water now.
Answer:
Only one Option is correct Choose the same. Please note there is Negative Marking for wrong
answers.
O
2997 1839
0
2907: 1093
0
2978 · 1939
0
2097 1893
Clear Answer
Lea Sver
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Answer 1

Answer:

Explanation:

Suppose a container contains  

x

units of a liquid from which  

y

units are taken out and replaced by water. After  

n

operations, quantity of pure liquid

=

x

(

1

−

y

x

)

n

units.

milk contained by the container now

=

40

(

1

−

4

40

)

3

=

40

(

1

−

1

10

)

3

=

40

×

9

10

×

9

10

×

9

10

=

4

×

9

×

9

×

9

100

=

29.16

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