Question 1 :
Find the sum of all odd natural numbers from 1 to 150.
Question 2 :
If you have a finite arithmetic sequence, the first number is $2$ and the common difference is $4$, what is the $5^{th}$ number in the sequence?<br/>
Question 4 :
Find the missing number in the arithmetic mean between $11$ and $100$.
Question 5 :
If a, b, c are in A.P., then $\dfrac{1}{bc}, \dfrac{1}{ca}, \dfrac{1}{ab}$ are in
Question 6 :
Find the number of terms in an A.P. : -1, -5, -9 .......... - 197
Question 7 :
In the A. P. 5, 7, 9, 11, 13, .............. the sixth term which is prime is ...............
Question 8 :
If the average of the first $n$ number in the sequence $148,146,144,........$ is $125$, then $n=$
Question 9 :
Write first four terms of the AP, when the first term $a$ and the common difference $d$ are given as follows:$a = -2, d =0$
Question 11 :
Find the next term of the sequence:<br/>$4, 3, 2, 1, ..........$
Question 12 :
If the sum of $7$ consecutive numbers is $0$, what is the greatest of these numbers?
Question 15 :
Find the next term of the sequence:$1, 4, 7, 10, ..........$
Question 16 :
The first term of a sequence is the number $n$, and each term thereafter is $5$ greater than the term before. Which of the following is the average (arithmetic mean) of the first nine terms of this sequence?
Question 17 :
The first term of an A.P is $5$ and its $100$th term is $-292$, then $50$th term is
Question 18 :
What is the common difference of the new arithmetic progression formed after $4$ is divided from each of the term of the arithmetic progression $20, 28, 36, 44, ...$
Question 19 :
Is $51$ a term of the AP, $5, 8, 11, 14,........?$
Question 20 :
If the nth term of an AP is $\dfrac{3+n}{4} $, then its 8th term is<br/>
Question 21 :
Which of the following is not in the form of A.P.?<br>
Question 22 :
What is the first four terms of the A.P. whose first term is $-1$ and common difference is $0.5$?
Question 25 :
The first and the last term of A.P. are $7$ and $630$ respectively. If the common difference is $7$, how many terms are there and what is their sum?
Question 26 :
The first, second and middle terms of an A.P. are a, b, c, respectively. Their sum is?
Question 27 :
The value of $1 + 3 + 5 + 7 + 9 + ............. + 25$ is:
Question 28 :
How many terms of the series $54+51+48+45+.......$ must be taken to make $513$?
Question 30 :
The sum of $2$ consective numbers is $45$ find the numbers 
Question 31 :
A sequence in which the difference between any two consecutive terms is a constant is called as<br>
Question 32 :
The first four terms of an $A.P.$ whose first term is $2$ and the common difference is $2$ are:<br/>
Question 33 :
Find the function for the arithmetic sequence $11, 22, 33, 44...$.<br/>
Question 34 :
Which term of the A.P. 5, 12, 19, 26, ............ is 145<br>
Question 35 :
Find the sum of the first $15$ terms of the following sequence having $n$th term as<br>${ y }_{ n }=9-5n\quad $
Question 36 :
In an A.P. the $p^{th}$ term is q and $q^{th}$ term is p, then its $r^{th}$ terms is
Question 37 :
If $p, (p - 2)$ and $3 p$ are in AP, then the value of $p$ is 
Question 39 :
An A.P. has $23$ terms, sum of the middle three terms is $144$, the sum of last three terms is $264$. Find the $8^{th}$ term
Question 40 :
If $a, b, c$ are in A.P. then $\dfrac {a - b}{b - c}$ is equal to
Question 41 :
If the common difference of an A.P. is $3$, then $a_{20}-a_{15}$ is<br/>
Question 42 :
Find the $\displaystyle 10^{th}$ term from end of the AP $4, 9, 14, ....., 254$.
Question 43 :
The sum of <span class="MathJax_Preview"><span class="MathJax"><span class="math"><span class="mrow"><span class="mi">n<span class="MJX_Assistive_MathML">n is equal to
Question 46 :
What is the common difference of the new arithmetic progression formed after 6 is subtracted from each of the term of the A.P. $12, 19, 26, 33, ...$
Question 47 :
If $a, b, c$ are in A.P. $b - a, c - b$ and $a$ in G.P., then $a:b:c$ is
Question 48 :
What is the number of terms in the series $117, 120, 123, 126,.., 333$ ?
Question 49 :
$\sum\limits_{i = 1}^n {\sum\limits_{j = 1}^i {\sum\limits_{k = 1}^j 1 } } $ is equal to
Question 50 :
The $4^{th}$ term of an AP is $14$ and its $12^{th}$ term is $70$. What is its first term?