If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
If the 7th term of a H.P. is 1/10 and the 12th term is 1/25, then the 20th term is
Solution |
2
Discuss
|
For an A.P. if a25 - a20 = 45, then d equals to:
Solution |
3
Discuss
|
The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?
Solution |
4
Discuss
|
The first and last term of an A.P. is a and l respectively. If S is the sum of all the terms of the A.P. and the common difference is given by \(\frac{{{l^2} - {a^2}}}{{k - \left( {l + a} \right)}}\) then k = ?
Solution |
5
Discuss
|
For A.P. T18 - T8 = ........ ?
Solution |
6
Discuss
|
What is the sum of the first 11 terms of an arithmetic progression if the 3rd term is -1 and the 8th term is 19?
Solution |
7
Discuss
|
The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
Solution |
8
Discuss
|
The nth term of an A.P., the sum of whose n terms is Sn, is
Solution |
9
Discuss
|
If a, b, c are in A.P., then (a – c)2/ (b2 – ac) =
Solution |
10
Discuss
|
The common difference of the A.P. \(\frac{1}{3}, \frac{{1 - 3b}}{3} , \frac{{1 - 6b}}{3}\) . . . . . . is
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved