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    Question

    There are two Classes A and B having 25 and 30 students

    respectively. In Class-A the highest score is 21 and lowest score is 17. In Class-B the highest score is 30 and lowest score is 22. Four students are shifted from Class-A to Class-B. Consider the following statements: 1.    The average score of Class-B will definitely decrease. 2.    The average score of Class-A will definitely increase. Which of the above statements is/are correct ?
    A 1 only Correct Answer Incorrect Answer
    B 2 only Correct Answer Incorrect Answer
    C Both 1 and 2 Correct Answer Incorrect Answer
    D Neither 1 nor 2 Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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