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In this question only one data is given ie., hole length - 6". In the question there is no mistake.
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Find the answer.
Recent Answer :
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Recent Answer :
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saying 20%alcohol in 15 litre solution.
It means (20/100)*15=3 litres
Now 5 litre of water is added not alcohol.
So it means only the volume of solution is increases by 5 not alcohol.
It means 15+5=20
Now % of alcohol is
(3/20)*100=15%.