Bio Engineering Question:
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The total population of a village is 5000. The number of males and females increases by 10% and 15% respectively and consequently the population of the village becomes 5600. what was the number of males in the village?

Answer:

let x=no of men y=women
x+y=5000
1.1x+1.15y=5600 hence by solving we get x=3000&y=2000

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