1. In what ratio must a mixture of 11% sugar strength be mixed with that of 25% sugar strength so as to get a new mixture of 13% sugar strength?
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By: anil on 05 May 2019 02.04 am
Let $$x$$ units of 11% sugar strength be mixed $$y$$ units of of 25% sugar strength. According to ques, => $$11x+25y=13(x+y)$$ => $$11x+25y=13x+13y$$ => $$13x-11x=25y-13y$$ => $$2x=12y$$ => $$frac{x}{y}=frac{12}{2}=frac{6}{1}$$ $$ herefore$$ Required ratio = $$6:1$$ => Ans - (B)
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