IIT JEE Advanced 2007 Paper 2

Paragraph Type
This section contains 2 paragraphs. Based on the paragraph, there are 3 questions. Each question has 4 choices (A), (B), (C) and (D) out of which ONLY ONE is correct.
Paragraph for Questions 58–60: Let A1,G1,H1 denote the arithmetic, geometric and harmonic means, respectively, of two distinct positive numbers. For n ≥ 2, let An−1 and Hn−1 has arithmetic, geometric and harmonic means as An,Gn,Hn, respectively.