Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Management
  • The 5thterm and the 21stterm of a series in an A.P. are 10 and 42 respectively. Find the 31st term.Option: 1</st

The 5thterm and the 21stterm of a series in an A.P. are 10 and 42 respectively. Find the 31st term.

Option: 1

62


Option: 2

__


Option: 3

__


Option: 4

__


Answers (1)

best_answer

a+4=10-------(1)

a+20d=42------(2)

By substituting equation (1) from equation (2), a=2

31stterm = a+30d=2+30(B)=62.

Posted by

Suraj Bhandari

View full answer

Similar Questions

Trending Articles/News

anam-khan

CAT Syllabus 2025: What to expect in VARC, DILR, QA sections; must-know topics
anam-khan

IIM admissions 2025 go beyond CAT cut-offs; how top B-schools weigh your scores, academics, work experience
anam-khan

CAT 2025: Is paying Rs 30 lakh for MBA at IIM Ahmedabad worth it? 100% placements say yes

Latest Question