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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)
$26.34\: L$
Option 2)
$35\: L$
Option 3)
$28\: L$
Option 4)
$29.16\: L$
Option 5)
$27.36\: L$

Answers (1)

best_answer

Initial quantity $= x = 40 L$

Quantity taken out once $= 4L = y$

N= no of times $= 3$

Final quantity = $x(1-4/40)^{3}= 40\times 0.729= 29.16\: L$

Posted by

rishi.raj

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