Question 1 :
_____ is a list of numbers in which each term is obtained by adding a fixed number to the preceding term except the first term.
Question 2 :
If the sequence $a_{1}, a_{2}, a_{3}, ....$ is in A.P., then the sequence $a_{5}, a_{10}, a_{15}, ....$ is
Question 3 :
Four consecutive terms of aprogression are 38, 30, 24, 20. The next term of the progression is
Question 4 :
$\sum\limits_{i = 1}^n {\sum\limits_{j = 1}^i {\sum\limits_{k = 1}^j 1 } } $ is equal to
Question 5 :
Write the sum of  first five terms of the following Arithmetic Progressions where, the common difference $d$ and the first term $a$ are given: $a = 4, d = 0$
Question 6 :
The $4th$ term from the end of the AP<br/>$-11, -8, -5, ....................49$  is
Question 8 :
If the sum of first $2n$ terms of the A.P. $2, 5, 8$, .......... is equal to the sum of the first n terms of the A.P. $57, 59, 61$,.........., then n equals.
Question 10 :
Is it an AP?<br/><br/>$1, 4, 7, 10, 13, 16, 19, 22, 25, ...$
Question 11 :
Product of all the even divisors of $N = 1000$, is
Question 12 :
What is the first four terms of the A.P. whose first term is $3$ and common difference is $5$?
Question 13 :
If the nth term of an AP is $\dfrac{3+n}{4} $, then its 8th term is<br/>
Question 14 :
In an A.P. the $p^{th}$ term is q and $q^{th}$ term is p, then its $r^{th}$ terms is
Question 15 :
If the sum of $7$ consecutive numbers is $0$, what is the greatest of these numbers?
Question 16 :
What does the series $ 1 + 3^{\tfrac{-1}{2}} + 3 + { \dfrac {1} {3 \sqrt {3} }} + .... $  represent?
Question 17 :
Find the function for the arithmetic sequence $11, 22, 33, 44...$.<br/>
Question 18 :
Strikers at a plant were ordered to return to work and were told they would be fined Rs. $50$ the first day they failed to do so, Rs. $75$ the second day, Rs. $100$ the third day, and so on. If the strikers stayed out for $6$ days, what was the fine for the sixth day?<br/>
Question 20 :
If $a, b, c$ are in A.P. $b - a, c - b$ and $a$ in G.P., then $a:b:c$ is
Question 21 :
Constant is subtracted from each term of an A.P. the resulting sequence is also an ______
Question 22 :
Is $51$ a term of the AP, $5, 8, 11, 14,........?$
Question 23 :
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 24 :
The first, second and middle terms of an A.P. are a, b, c, respectively. Their sum is?
Question 25 : <p>Identify which of the following list of numbers is an arithmetic progression?</p>
Question 26 :
Find out whether the sequence $1^2, 3^2, 5^2, 7^2$,... is an AP. If it is, find out the common difference.
Question 27 :
If a, b, c and d are in harmonic progression, then $\displaystyle\frac{1}{a}$,$\displaystyle\frac{1}{b}$,$\displaystyle\frac{1}{c}$ and$\displaystyle\frac{1}{d}$, are in ______ progression.
Question 29 :
The sum of six consecutive numbers is $150$. Find the first number
Question 31 :
If a constant is added to each term of an A.P. the resulting sequence is also an ______
Question 32 :
For an A.P. $a = 7, d = 3, n = 8$, find $a_8$.
Question 33 :
Find the $20th$ term from the last term of the AP $3,8, 13,....253.$
Question 34 :
In the word 'Albuquerque' if we assign a number to the letters, equal to the number of times the letter is used in the word. The sum of the number would be -
Question 35 :
An arithmetic progression is defined as a sequence that has a fixed _______ between its two consecutive numbers.
Question 36 :
The sum of the first $22$ terms of the A.P. $8, 3, -2, ..........$ is 
Question 37 :
Check whether the following form an AP$\sqrt{3} , \sqrt{12} , \sqrt{27} , \sqrt{48}$ , ...<br>
Question 38 :
Which term of the progression 5, 8, 11, 14, .....is 320?
Question 39 :
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 40 :
Which of the following is not in the form of A.P.?<br>
Question 43 :
What is the sum of  $t_n= (2n-5)$  from n =10 to 150?<br/>
Question 44 :
The first term of an A.P is $5$ and its $100$th term is $-292$, then $50$th term is
Question 45 :
The sum of an A.P. whose first term is a, second term is b and the last term is c is equal to $\dfrac{(a+c)(b+c+2a)}{2(b-a)}$.
Question 46 :
$\quad \left( 1-\cfrac { 1 }{ n } \right) +\left( 1-\cfrac { 2 }{ n } \right) +\left( 1-\cfrac { 3 }{ n } \right) +....upto\quad n\quad terms=$?
Question 47 :
The $9th$ term of an AP is $499$ and $499th$ terms is $9.$ The term which is equal to zero is 
Question 48 :
If $8^{th}$ term of an A.P is $15$, then the sum of $15$ terms is
Question 49 :
How many terms of the series $54+51+48+45+.......$ must be taken to make $513$?
Question 50 :
Find the sum of all odd natural numbers from 1 to 150.
