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    Question

    The average age of three ladies is 30 years and their

    ages are in the ratio of 4: 6: 8. The age of the youngest lady is:
    A 27 Correct Answer Incorrect Answer
    B 24 Correct Answer Incorrect Answer
    C 20 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer

    Solution

    ATQ, Let's denote the ages of the three ladies as 4x,6x and 8x, where (x) is positive constant Then, the average age is given by the sum of ages divided by the number of people, 30 = (4x+6x+8x)/3 On solving for 'x', ┬аwe get x= 5, Therefore age of the youngest lady is 4x = 4├Ч5 = 20 yrs.

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