Question
Download Solution PDFFor two observations, the sum is S and product is P. What is the harmonic mean of these two observations?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
The sum is S and product is P.
Formula Used:
Harmonic mean of a and b = 2/(1/a + 1/b) = 2ab/(a + b)
Calculation:
The sum is S and product is P.
Then, the Harmonic mean of these two observations = 2P/S
∴ H.M. of two observations is 2P/S
Last updated on Jul 7, 2025
-> The UPSC CDS Exam Date 2025 has been released which will be conducted on 14th September 2025.
-> Candidates can now edit and submit theirt application form again from 7th to 9th July 2025.
-> The selection process includes Written Examination, SSB Interview, Document Verification, and Medical Examination.
-> Attempt UPSC CDS Free Mock Test to boost your score.
-> Refer to the CDS Previous Year Papers to enhance your preparation.