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The average incomes of the people in two villages are P and Q, respectively. Assume that P≠Q. A person moves from the first village to the second village. The new average incomes are P' and Q', respectively. Which of the following is not possible? |
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Answer» The average incomes of the people in two villages are P and Q, respectively. Assume that P≠Q. A person moves from the first village to the second village. The new average incomes are P' and Q', respectively. Which of the following is not possible? |
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