# Harmonic Mean Quiz Questions and Answers 51 PDF Book Download

Harmonic mean quiz, harmonic mean MCQs answers, college math quiz 51 to learn math online courses. Sequences and series quiz questions and answers, harmonic mean multiple choice questions (MCQs) to practice math MCQs with answers for online colleges and universities courses. Learn harmonic mean MCQs, harmonic progression (hp), trigonometry problems, double angle identities, harmonic mean test prep for online certifications.

Practice harmonic mean test with multiple choice question (MCQs): 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 choices h.p, a.p, g.p, and harmonic series for undergraduate degree. Practice sequences and series questions and answers for problem-solving, merit scholarships assessment test.

## Quiz on Harmonic Mean Worksheet 51Quiz Book Download

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