1. If the numerator of a fraction is increased by 400% and the denominator is increased by 500%, the resultant fraction is 10/21 . What was the original fraction ?
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By: anil on 05 May 2019 01.27 am
Let the original fraction be $$frac{x}{y}$$ Acc to ques, => $$frac{x + frac{400}{100} * x}{y + frac{500}{100} * y} = frac{10}{21}$$ => $$frac{5x}{6y} = frac{10}{21}$$ => $$frac{x}{y} = frac{10}{21} imes frac{6}{5}$$ => $$frac{x}{y} = frac{4}{7}$$
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