Ask a Question

Given a = 3, n = 8, S = 192, find d?

← Prev Question Next Question →
+1 vote
27 views
asked Mar 14, 2018 in Mathematics by paayal (26,720 points) ● 4 ● 6 ● 50
Given a = 3, n = 8, S = 192, find d?

1 Answer

0 votes
answered Mar 14, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 15, 2018 by faiz
 
Best answer

Solution:  S8 =8/2(6+d(8-1)) = 4(6+7d)

➪ 192/4 = 48 =6 + 7d

➪7d = 42

➪d = 6

← Prev Question Next Question →

Related questions

+1 vote
1 answer
Given a = 3, n = 8, S = 192, find d.
asked Mar 13, 2018 in Mathematics by paayal (26,720 points)
+1 vote
1 answer
Given a = 8, an = 62, Sn = 210, find n and d.
asked Mar 14, 2018 in Mathematics by paayal (26,720 points)
+1 vote
1 answer
Given a = 2, d = 8, Sn = 90, find n and an:
asked Mar 14, 2018 in Mathematics by paayal (26,720 points)
+1 vote
1 answer
Given a = 8, an = 62, Sn = 210, find n and d.
asked Mar 13, 2018 in Mathematics by paayal (26,720 points)
0 votes
1 answer
Given a = 2, d = 8, Sn = 90, find n and an.
asked Mar 13, 2018 in Mathematics by paayal (26,720 points)

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon
~~~*****~~~

Related questions

© 2017 Sarthaks eConnect
Managed by Sarthaks Digitizing India
...