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    Question

    Eight numbers are arranged in decreasing order. The

    average of the first seven numbers is 35, and the average of the last seven numbers is 30. What is the difference between the first and the last number?
    A 25 Correct Answer Incorrect Answer
    B 35 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 30 Correct Answer Incorrect Answer

    Solution

    ATQ Let eight numbers = a,b,c,d,e,f,g,h Hence the difference will be = 245−210=35

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