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    Question

    The population of the town is 10,000. If the male

    population increases by 5% and the female population by 10%, the population will become 10,700. How much of the town's present population is female?
    A 6000 Correct Answer Incorrect Answer
    B 4000 Correct Answer Incorrect Answer
    C 2000 Correct Answer Incorrect Answer
    D 3500 Correct Answer Incorrect Answer

    Solution

    Let the number of males =100x And female =100y ATQ- x+y =100      … (1) × 5 5x+10y =700           … (2) 5x+5y =500             … (3) Solving EQ (1) and EQ (2). 5y =200 Y=40. Number of females =100×40 =4000.

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