The mean of first n natural number is
A. \(\frac{n+1}{2}\)
B. \(\frac{n(n+1)}{2}\)
C. \(\frac{n(n-1)}{2}\)
D. n2
Answer:A
The mean of first n natural number is
A. \(\frac{n+1}{2}\) B. \(\frac{n(n+1)}{2}\) C. \(\frac{n(n-1)}{2}\) D. n2