1. 15 litres of a mixture contains alcohol and water in the ratio 1 : 4. If 3 litres of Water is mixed in it, the percentage of alcohol in the new mixturewill be





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  • By: anil on 05 May 2019 01.55 am
    total quantity = 15L alcohol : water = 1 : 4                         = 3 : 12  now 3 liters of water is added, so now ratio becomes 3 : 15 % of alcohol = 3/(3+15) *100                    = 3/18 *100                   = $$16frac{2}{3}$$ so the answer is option B.
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