What is the average (arithmetic mean) of the
positive integers from 1 to 100 inclusive?
(A) 40
(B) 49.5
(C) 50
(D) 50.5
Answers
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Step-by-step explanation:
Sum of AP is given by, {n * (a + l) /2} [Where a = first term, n = number of terms, l = last term.] = 100 * (1 +100)/2 = 50 * 101. Required Average = (50 *101)/100 = 50.5.
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