If Sn denote the sum of the first n terms of an A.P. If S2n = 3Sn , then S3n : Sn is equal to
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
(1) + (1 + 1) + (1 + 1 + 1) + ....... + (1 + 1 + 1 + ...... n - 1 times) = ......
Solution |
2
Discuss
|
If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:
Solution |
3
Discuss
|
If the first term of an A.P. is 2 and common difference is 4, then the sum of its 40 term is
Solution |
4
Discuss
|
The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?
Solution |
5
Discuss
|
If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
Solution |
6
Discuss
|
The nth term of an A.P., the sum of whose n terms is Sn, is
Solution |
7
Discuss
|
The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
Solution |
8
Discuss
|
What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?
Solution |
9
Discuss
|
If the sum of p terms of an A.P. is q and the sum of q terms is p, then the sum of (p + q) terms will be
Solution |
10
Discuss
|
If the sum of n terms of an A.P. be 3n2 + n and its common difference is 6, then its first term is
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved