Find the 15th term of the sequence 20, 15, 10 . . . . .
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
Consider an infinite G.P. with first term a and common ratio r, its sum is 4 and the second term is 3/4, then
Solution |
2
Discuss
|
If the sums of n terms of two arithmetic progressions are in the ratio \(\frac{{3n + 5}}{{5n + 7}}\) then their nth terms are in the ration
Solution |
3
Discuss
|
If Sn denote the sum of the first n terms of an A.P. If S2n = 3Sn , then S3n : Sn is equal to
Solution |
4
Discuss
|
A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
Solution |
5
Discuss
|
The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
Solution |
6
Discuss
|
The sum of the first 16 terms of an AP whose first term and third term are 5 and 15 respectively is
Solution |
7
Discuss
|
What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?
Solution |
8
Discuss
|
The first term of an Arithmetic Progression is 22 and the last term is -11. If the sum is 66, the number of terms in the sequence are:
Solution |
9
Discuss
|
The number of terms of the A.P. 3, 7, 11, 15, ....... to be taken so that the sum is 406 is
Solution |
10
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 |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved