lkm wrote:**Question:**

A container contains 40 liters of milk. From this container 4 liters of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?

A) 26.35 liters

B) 27.36 liters

C) 28 liters

D) 29.16 liters

E) 29.26 liters

Container initially contains 40 lts of milk and no water.

4 lts of milk was taken out means we are left with 36 lts of milk and 4 lts of water was added.But the qty is still 40

Now again the same process is repeated but ratio of milk and water is 9:1

If 4 lts of the mixture is drawn out , the quantity of milk will be (9/10 )x4 =3.6 lts of milk and rest water.

The second time the process is repeated but now the ratio of milk and water again changes.

Qty of milk now is 36-3.6 lts=32.4 lts .Rest is water..

Now we take out another 4 lts of the mixture then amout of milk in it will be (32.4/40)x4=3.24

Hence the qty of milk left =32.4-3.24=29.16 lts

Answer D

Q