A container contains 40 litres of milk. From this container 4 litres of milk was

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Question

A container contains 40 litres of milk. From this container 4 litres 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?

Options:

A . 26.34 litres

B . 27.36 litres

C . 28 litres

D . 29.16 litres

Answer: Option D

Amount of milk left after 3 operations =

40

1 -
4

3
litres
40

=

40 x
9
x
9
x
9

= 29.16 litres.
10
10
10

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