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    Question

    Present ages of 'A' and 'B' are in the ratio 11:7,

    respectively. Present age of 'C' is 120% more than 'B'. If the difference between present ages of 'C' and 'A' is 22 years, then find the present age of 'B'.
    A 35 years Correct Answer Incorrect Answer
    B 28 years Correct Answer Incorrect Answer
    C 42 years Correct Answer Incorrect Answer
    D 30 years Correct Answer Incorrect Answer
    E 40 years Correct Answer Incorrect Answer

    Solution

    Let the present age of 'A' be '11x' years So, present age of 'B' = 11x × (7/11) = '7x' years So, present age of 'C' = 7x × 2.2 = '15.4x' years ATQ; 15.4x - 11x = 22 Or, 4.4x = 22 So, x = 5 So, present age of 'B' = 7x = 5 × 7 = 35 years

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