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A vessel contains a mixture of O(2 )and ...

A vessel contains a mixture of `O_(2 )and N_(2)`. The quantity of `O_(2)` is 16% of total mixture. Some quantity of mixture taken out from it and replaced by `N_(2)`. This process is repeated once more. Now the quantity of` O_(2)` is 9% of total mixture. If total quantity of mixture was 8 lt , then find the quantity of mixture which is taken out.

A

2lt

B

3 lt

C

1 lt

D

1.5 lt

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