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    Question

    What will be the average of odd numbers between 20 to

    74?
    A 37 Correct Answer Incorrect Answer
    B 42 Correct Answer Incorrect Answer
    C 47 Correct Answer Incorrect Answer
    D 37.5 Correct Answer Incorrect Answer

    Solution

    Odd numbers between 20 to 74. ⇒ 21, 23, 25……………………………….73. Clearly, this is a series of consecutive odd numbers. ∴ According to the formula Average of consecutive numbers = (first number + last number)/2 = (21 + 73)/2 = 94/2 = 47

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