Question 1 :
3, 7, 11, 15, 19, ...... are in AP. find 25th term.
Question 2 :
If the average of the first $n$ number in the sequence $148,146,144,........$ is $125$, then $n=$
Question 4 :
$\sum\limits_{i = 1}^n {\sum\limits_{j = 1}^i {\sum\limits_{k = 1}^j 1 } } $ is equal to
Question 5 :
Check if the sequence is an AP $1, 3, 9, 27,....$
Question 7 :
Which of the following is not in the form of A.P.?<br>
Question 10 :
If the $14^{th}$ term of an arithmetic series is $6$ and $6^{th}$ term is $14$, then what is the $95^{th}$ term?
Question 11 :
If $a, b, c$ are in A.P. then $\dfrac {a - b}{b - c}$ is equal to
Question 13 :
If sum of $n$ terms of A.P. is $476,$ last term $= 20, n = 17$, then the first term is :
Question 14 :
How many terms of the sequence $18, 16, 14,....$ should be taken so that their sum is zero?
Question 15 :
The mean of the terms $1,2,3,... 20$ in an arithmetic progressions is?
Question 17 :
If the sum of $n$ terms of an AP is $\displaystyle { 3n }^{ 2 }-n$ and its common difference is $6$, then its first term is 
Question 18 :
If the nth term of an AP is $\dfrac{3+n}{4} $, then its 8th term is<br/>
Question 19 :
The $9th$ term of an AP is $499$ and $499th$ terms is $9.$ The term which is equal to zero is 
Question 20 :
An arithmetic progression is defined as a sequence that has a fixed _______ between its two consecutive numbers.
