Find the average of first 27 natural numbers.
Find the average of first 27 natural numbers.
Answer/Solution
14
Steps/Work
Explanation:
Sum of first n natural numbers = n(n+1)/2
Hence, sum of first 27 natural numbers = (27 x 28)/2 = 378
Therefore, required average of = 378/27 = 14
ANSWER: A
Sum of first n natural numbers = n(n+1)/2
Hence, sum of first 27 natural numbers = (27 x 28)/2 = 378
Therefore, required average of = 378/27 = 14
ANSWER: A