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a,b,c are said to be in Harmonic Progression if their reciprocals 1/a, 1/b, 1/c are in Arithmetic progression. What would be the value of x for which 3, x, 6 are in Harmonic Progression.
Correct Answer: (b)
Official keyThis question appeared in the TNPSC Prelims 2017 examination (GS). It is Question 62 out of 200 questions in this paper.
This question was part of the TNPSC Prelims 2017 (GS). The TNPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all TNPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.