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    Question

    What is the average of the first eight triangular

    numbers?
    A 24 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Triangular numbers are the numbers obtained by continued summation of natural numbers.

    First eight triangular numbers = 1, 3, 6, 10, 15, 21, 28, 36

    Required average = (1 + 3 + 6 + 10 + 15 + 21 + 28 + 36) ├╖ 8

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