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    Question

    According to Ben, his age is between 30 and 34 years,

    while his wife thinks his age is between 32 and 36 years. His son believes his age is between 31 and 35 years. Find the average of all the possible ages of Ben if all of them are correct in their assumptions.
    A 23 yrs Correct Answer Incorrect Answer
    B 33 yrs Correct Answer Incorrect Answer
    C 45 yrs Correct Answer Incorrect Answer
    D 22 yrs Correct Answer Incorrect Answer

    Solution

    ATQ, According to Ben, his age can be 31, 32, 33, or 34 years. According to his wife, his age can be 32, 33, 34, 35, or 36 years. According to his son, his age can be 32, 33, 34, or 35 years. Finding the common ages from all ranges: Common ages: 32, 33, 34 Required average: (32 + 33 + 34)/3 =33 years

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