1. Out of the total population, 55% were males. Out of the total number of females, 60% were literates and remaining 360 were illiterates. If 70% of the males are literates, how many males were illiterate ?
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By: anil on 05 May 2019 01.40 am
Let total population = $$100x$$ Number of males = $$frac{55}{100} imes 100x = 55x$$ => Females = $$100x - 55x = 45x$$ % of illiterate females = (100 - 60)% = 40% => Number of illiterate females = $$frac{40}{100} imes 45x = 18x$$ Acc. to ques, => $$18x = 360$$ => $$x = frac{360}{18} = 20$$ % of illiterate males = (100 - 70)% = 30% => Number of illiterate males = $$frac{30}{100} imes 55x = 16.5x$$ = $$16.5 imes 20 = 330$$
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