The sum of all the integers k such that –25 < k < 24 is  Choose the correct choice from the following options:
A) 0
B) - 2
C) - 25
D) - 49
E) - 47

Rationale: "- 24 - - - - - - - - - - - - - - - - - - 0 - - - - - - - - - - - - - - - - - 23 values upto + 23 cancels outwe are left with only - 24 - 23 sum of which is - 47 . hence option d . e"
Answer: E