In a garden, 26 trees are planted at equal distances along a yard 500 metres long, one tree being at each end of the yard. What is the distance between two consecutive trees?  Choose the correct choice from the following answers:  A) 20  B) 8  C) 12  D) 14  E) 16

Rationale: "26 trees have 25 gaps between them . length of each gap = 500 / 25 = 20 i . e . , distance between two consecutive trees = 20 answer is a ."
Answer: A