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     EduGorilla 
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    The average age of a man and his son is 40 years. The ratio of their ages 15 years hence is 7 : 4 respectively. If the ratio of the present ages of the man and his wife is 11 : 9. What is the age of his wife?

    Options :-

    1. 60 years
    2. 42 years
    3. 45 years
    4. 39 years
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