A container contains 40 L of milk from this container 4 L of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained in the container? |
A) 26. 34 L
B) 27.36 L
C) 28 L
D) 29.16 L
Correct Answer: D
Solution :
Amount of milk left after 3 operations |
\[=\,\,\left[ 40{{\left( 1-\frac{4}{40} \right)}^{3}} \right]L=\left( 40\times \frac{9}{10}\times \frac{9}{10}\times \frac{9}{10} \right)=29.16L\] |
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