# If Each of n Numbers x1=i(i=1, 2, 3, ….n) is Replaced by (i+1) x1

If each of n numbers x_{1}=i(i=1, 2, 3, ….n) is replaced by (i+1) x_{1}, then the new mean is

- (n+3)/2
- n(n+1)/2
- (n+1)(n+2)/3n
- (n+1)(n+2)/3

If each of n numbers x_{1}=i(i=1, 2, 3, ….n) is replaced by (i+1) x_{1}, then the new mean is

- (n+3)/2
- n(n+1)/2
- (n+1)(n+2)/3n
- (n+1)(n+2)/3