1. The alcohol and water in a mixture are in the ratio of 7 : 8 respectively. If 11 litre water is added to it, then the ratio of alcohol and water in the new mixture becomes 3 : 5 Whatis the total quantity (in litres) of the alcohol in the new mixture?





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  • By: anil on 05 May 2019 02.06 am
    Let initial quantity of alcohol and water in the mixture be $$7x$$ and $$8x$$ litres respectively. According to ques, => $$frac{7x}{8x+11}=frac{3}{5}$$ => $$35x=24x+33$$ => $$35x-24x=33$$ => $$x=frac{33}{11}=3$$ $$ herefore$$ Quantity of alcohol in final mixture = Quantity of alcohol in initial mixture = $$7 imes3=21$$ litres => Ans - (A)
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