InterviewSolution
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The ratio of males and females in a village is 8 : 5 respectively and the percentage of children among males and females is 30% and 25% respectively. If the number of adult males in the village is 274400, what is the number of female children in the village?1). 675002). 612503). 694004). 76500 |
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Answer» Let’s assume that the total population of the village is X ? RATIO of male & female in village is = 8 : 5 ∴ Number of males in village $(= \frac{8}{{8 + 5}}\; \times \;X = \frac{{8X}}{{13}})$ & Number of FEMALES in village $(= \frac{5}{{5 + 8}}\; \times \;X\; = \frac{{5X}}{{13}})$ Number of male children is 30% among all males ∴ number of male children = (8/13)X × 0.30 = (2.4/13)X ∴ number of adult males is = (8/13)X - (2.4/13)X = (5.6/13)X Given that number of adult males = 274400 ∴ (5.6/13)X = 274400 ⇒ X = 637000 Number of female children is 25% among all females ∴ Number of female children = (5/13)X × 0.25 = (1.25/13)X ⇒ Number of female children = (1.25/13)× 637000 ⇒ Number of female children = 61250 |
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