Question
Download Solution PDFIn a G.P. tenth term is 9 and fourth term is 4, then its seventh term will be-
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
In a G.P. tenth term is 9 and fourth term is 4,
Concept used:
nth term of GP = arn-1
Calculation:
a10 = 9, a4 = 4
∴ 9 = ar9 & 4 = ar3
⇒ (ar9) (ar3) = 36
⇒ a2r12 = 36
⇒ (ar6)2 = (6)2
Taking square root,
ar6 = 6
∴ 7th term is 6.
Last updated on Jun 2, 2025
-> Rajasthan 3rd Grade Teacher, fresh recruitment for 20000 vacancies has been announced.
-> The Rajasthan 3rd Grade Teacher Exam will be conducted from 17th to 21st January 2026.
-> The Rajasthan 3rd Grade Teacher 2025 Notification is expected soon for vacancies of Primary and Upper Primary Teacher posts.
-> Candidates who have qualified the REET Exam are eligible for this post.
-> Candidates can visit the official website to download the result. Candidates can refer previous year paper for their preparation.