The number of natural numbers n such that (n+1)^2/(n+7) is an integer, is ? Select.
A) 4  B) 5  C) 6  D) 7  E) 8

Rationale: we can use ( n + 1 ) ^ 2 greater than ( n + 7 ) which gives n > 2 , - 3 . . . . . . . . now there are four integers - 2 . - 1 , 01 in between - 3 and 2 . so answer is 4 . answer : a
Answer: A