If the Harmonic Mean of 2, a, 8 be 24/7, the value of a is 17 / » Fundamentals of Business Statistics solved MCQs / By admin Question: If the Harmonic Mean of 2, a, 8 be 24/7, the value of a is 17 A. 4 B. 6 C. 12 D. 9 Answer» a. 4 Note: The above multiple-choice question is for all general and Competitive Exams in India.