Find the first term of an AP whose 8th and 12th terms are respectively 39 and 59.
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?
Solution |
2
Discuss
|
Let S denotes the sum of n terms of an A.P. whose first term is a. If the common difference d is given by d = Sn – k Sn-1 + Sn-2 then k =
Solution |
3
Discuss
|
The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
Solution |
4
Discuss
|
What is the sum of all positive integers up to 1000, which are divisible by 5 and are not divisible by 2?
Solution |
5
Discuss
|
In an A.P., if d = -4, n = 7, an = 4, then a is
Solution |
6
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 |
7
Discuss
|
If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is
Solution |
8
Discuss
|
The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its
Solution |
9
Discuss
|
If the fifth term of a GP is 81 and first term is 16, what will be the 4th term of the GP?
Solution |
10
Discuss
|
If an A.P. has a = 1, tn = 20 and sn = 399, then value of n is :
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved