# Harmonic Mean Quiz Questions and Answers 51 PDF Download

Learn harmonic mean quiz, online college math test 51 for online courses, distance learning. Free math MCQs questions and answers to learn harmonic mean MCQs with answers. Practice MCQs to test knowledge on harmonic mean, double angle identities, trigonometry problems, harmonic progression (hp), geometric mean for step by step online learning test questions.

Free harmonic mean course worksheet has multiple choice quiz question as h_{1},h_{2},…,h^{n} are said to be n harmonic means between a and b if a,h_{1},h_{2}…,h^{n},b form with options h.p, a.p, g.p and harmonic series with problems solving answer key to test study skills for online e-learning, viva help and jobs' interview preparation tips, study sequences & series multiple choice questions based quiz question and answers.

## Quiz on Harmonic Mean Quiz PDF Download Worksheet 51

Harmonic Mean Quiz

MCQ. H_{1},H_{2},…,H^{n} are said to be n harmonic means between a and b if a,H_{1},H_{2}…,H^{n},b form

- H.P
- A.P
- G.P
- Harmonic series

A

Double Angle Identities Quiz

MCQ. 1 + tanαtan2α =

- −sec2α
- −cosec2α
- cosec2α
- sec2α

D

Trigonometry Problems Quiz

MCQ. Csc²θ/2-cot²θ/2 =

- 1
- −1
- 0
- sec²2θ

B

Harmonic Progression (HP) Quiz

MCQ. If a and d are first term and common difference of A.P respectively, then nth term of corresponding H.P is

- a
^{n}= a+(n-1)d - a
^{n}= 1/a+(n-1)d - a
^{n}= a/1+(n-1)d - a
^{n}= a/a+(n-1)d

B

Geometric Mean Quiz

MCQ. If n is total number of geometric mean between a and b than nth geometric mean between a and b is

- a(b/a)
^{n/n+1} - a(b/a)
^{m/n+1} - b(a/b)
^{m/n+1} - ab

B