Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa

What is the value of HM of data 3,9,18,27 ?

  • Option 1)

    6.44

  • Option 2)

    7.44

  • Option 3)

    8.44

  • Option 4)

    9.44

 

Answers (1)

best_answer

As we learned 

 

Harmonic Mean -

for discrete data

H= \frac{1}{\sum_{i=1}^{n}\frac{1}{x_{i}}}

-

 

 HM=\frac{4}{\frac{1}{3}+\frac{1}{9}+\frac{1}{18}+\frac{1}{27}}=\frac{4}{\frac{18+3+6+2}{54}}

=\frac{4\times 54}{29}=\frac{216}{29}=7.44

 


Option 1)

6.44

Option 2)

7.44

Option 3)

8.44

Option 4)

9.44

Posted by

Himanshu

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Mains 2026: BTech Electrical Engineering cut-offs highest at NIT Rourkela among all NITs, IIITs, GFTIs
anam-khan

JEE Mains 2026 Result LIVE: NTA to declare BTech results by February 16; marks vs percentile, cut-offs
anam-khan

JEE Main 2026 session 1 results, final answer key today; what is NTA score?

Latest Question