Question

D. A cylinder which has the capacity of eight litres contains a mixture
of oxygen and nitrogen. The volume of oxygen in the cylinder is
16% of total volume. A few litres of the mixture is released and an
equal amount of nitrogen is added. Then the same amount of the
mixture as before is released and replaced by nitrogen for the second
time. As a result, the oxygen content becomes 9% of total volume.
Find the amount of mixture released each time?
(a) 2 litres
(b) 2.5 litres
(C) 1 litres
(d) 0.5 litres
(e) None of these​

Answer 1

Answer:

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