Question

    Sum of all positive integers from 1 to 100 is

    A 5050 Correct Answer Incorrect Answer
    B 5020 Correct Answer Incorrect Answer
    C 10800 Correct Answer Incorrect Answer
    D 2400 Correct Answer Incorrect Answer

    Solution

    We know that, Sum of all 'n' positive intergers = n (n + 1)/2 here n = 100 So, Sum = (100 x 101)/2 Sum = 50 x 101 = 5050

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