1+2 + 3 + … + 49 + 50 + 49 + 48 + … + 3 + 2 + 1 is equal to:
1+2 + 3 + … + 49 + 50 + 49 + 48 + … + 3 + 2 + 1 is equal to:
[A]5000
[B]2525
[C]1250
[D]2500
2500
Required Sum =
Hence option [D] is the right answer.
Originally written on
June 14, 2016
and last modified on
June 29, 2016.