Question
Download Solution PDFपांच क्रमागत सम संख्याओं का माध्य 16 है, संख्याओं का प्रसरण ज्ञात कीजिये।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
पांच क्रमागत सम संख्याओं का माध्य = 16
प्रयुक्त सूत्र:
V = प्रसरण
∑ = योग
x = अवलोकन
n = अवलोकनों की संख्या
a = संख्याओं का पहला पद
d = सार्व अंतर
गणना:
⇒ 2a + (5 – 1)2 = 32
⇒ 2a + 4 × 2 = 32
⇒ 2a = 32 – 8
⇒ 2a = 24
⇒ a = 12
पहला पद = 12
अन्य पद 14, 16, 18, 20 हैं
⇒
⇒
⇒ 8
⇒ V = 8
∴ संख्याओं का प्रसरण 8 है
Last updated on Jun 11, 2025
-> RRB NTPC 2025 Exam Postponed. Railway Recruitment Board has rescheduled the RRB NTPC Exam for June 5, 2025 (Shift 3).
-> RRB NTPC Exam Analysis 2025 is LIVE now. All the candidates appearing for the RRB NTPC Exam 2025 can check the complete exam analysis to strategize their preparation accordingly.
-> The UPSC Prelims Result 2025 and UPSC IFS Result 2025 has been released @upsc.gov.in
-> The RRB NTPC Admit Card 2025 has been released on its official website.
-> Candidates who will appear for the RRB NTPC Exam can check their RRB NTPC Time Table 2025 from here.
-> The RRB NTPC CBT 1 Exam is scheduled from 5th June to 24th June 2025 as per the revised tentative exam schedule.
-> The RRB NTPC 2025 Notification has been released for a total of 11558 vacancies.
-> A total of 3445 Vacancies have been announced for Undergraduate posts like Commercial Cum Ticket Clerk, Accounts Clerk Cum Typist, Junior Clerk cum Typist & Trains Clerk.
-> A total of 8114 vacancies are announced for Graduate-level posts in the Non-Technical Popular Categories (NTPC) such as Junior Clerk cum Typist, Accounts Clerk cum Typist, Station Master, etc.
-> Prepare for the exam using RRB NTPC Previous Year Papers.
-> Check out the Rajasthan PTET Admit Card 2025 and UPSC Prelims Result Date 2025 here.