Question
Download Solution PDFVolume of a sphere is equal to the volume of a hemisphere. Find the ratio of their radius.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFormula:
Volume of sphere = [4/3] × πr3
Volume of hemisphere = [2/3] × πr3
Calculation:
Let the radius of sphere and hemisphere be R and r respectively, then
According to the question
[4/3] × π × R3 = [2/3] × π × r3
⇒ R3/r3 = 1/2
⇒ R : r = 1 : ∛2
Last updated on Jun 13, 2025
-> The SSC CGL Notification 2025 has been released on 9th June 2025 on the official website at ssc.gov.in.
-> The SSC CGL exam registration process is now open and will continue till 4th July 2025, so candidates must fill out the SSC CGL Application Form 2025 before the deadline.
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.
-> Candidates should also use the SSC CGL previous year papers for a good revision.