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    Question

    11 years ago from now, the ages of ‘Pawan’ and

    ‘Qureshi’ were in the ratio 7:9, respectively. If 7 years hence from now, ages of ‘Pawan’ and ‘Qureshi’ will be in the ratio 8:9, then find the difference between present ages of ‘Pawan’ and ‘Qureshi’.
    A 5 yrs Correct Answer Incorrect Answer
    B 4 yrs Correct Answer Incorrect Answer
    C 8 yrs Correct Answer Incorrect Answer
    D 12 yrs Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ; Let age of ‘Pawan’ and ‘Qureshi’, 11 years ago was ‘7x’ years and ‘9x’ years, respectively ATQ; {(7x + 11 + 7)/(9x + 11 + 7)} = (8/9) Or, 63x + 162 = 72x + 144 Or, x = 2 Required difference = 11x – 9x = 2x = 2 × 2 = 4 years

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