# Harmonic Mean Quiz Questions and Answers 51 PDF Book Download

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

Practice harmonic mean MCQ with multiple choice questions: h1,h2,…,hn are said to be n harmonic means between a and b if a,h1,h2…,hn,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 51 PDF Book Download

Harmonic Mean MCQ

MCQ: H1,H2,…,Hn are said to be n harmonic means between a and b if a,H1,H2…,Hn,b form

1. H.P
2. A.P
3. G.P
4. Harmonic series

A

Double Angle Identities MCQ

MCQ: 1 + tanαtan2α =

1. −sec2α
2. −cosec2α
3. cosec2α
4. sec2α

D

Trigonometry Problems MCQ

MCQ: Csc²θ/2-cot²θ/2 =

1. 1
2. −1
3. 0
4. sec²2θ

B

Harmonic Progression (HP) MCQ

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

1. an = a+(n-1)d
2. an = 1/a+(n-1)d
3. an = a/1+(n-1)d
4. an = a/a+(n-1)d

B

Geometric Mean MCQ

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

1. a(b/a)n/n+1
2. a(b/a)m/n+1
3. b(a/b)m/n+1
4. ab

B