What is the mean of 2015 consecutive positive integers starting with 10?
[10+11+....+(n+9) + (2015+9) ] / 2015
= [10 +11+ ....... 2024 ] /2015
= [ (n/2)(a+L) ] /2015
= [ (2015/2) (10+2024) ] / 2015
=2049255 / 2015
=1017
