1. The ratio of number of males and number of females in village X is 11:7 respectively. If in village Y, the number of males is 20% more than the number of males in village X and the number of females is 12% less than those in village X, then what will be the respective ratio of males to females in village Y ?
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By: anil on 05 May 2019 01.21 am
Let the number of males in Village X = $$11x$$ => Number of females in village X = $$7x$$ => Males in village Y = $$frac{120}{100} imes 11x = frac{66x}{5}$$ => Females in village Y = $$frac{88}{100} imes 7x = frac{154x}{25}$$ $$ herefore$$ Required ratio = $$(frac{66x}{5}) : (frac{154x}{25})$$ = $$3 : frac{7}{5}$$ = $$15 : 7$$
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