# A container contains 40L of milk. From this container 4L of milk was taken out & replaced by water. This process was repeated further 2 times. How much milk is now contained in the container? Option 1) Option 2) Option 3) Option 4) Option 5)

Initial quantity $= x = 40 L$
Quantity taken out once $= 4L = y$
N= no of times $= 3$
Final quantity = $x(1-4/40)^{3}= 40\times 0.729= 29.16\: L$