placeholder image to represent content

MTest11-1/Sequences-Series

Quiz by Vijay Kumar

Central Board of Secondary Education

Feel free to use or edit a copy

includes Teacher and Student dashboards

Measure skills
from any curriculum

Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.

With a free account, teachers can

edit the questions
save a copy for later
start a class game
automatically assign follow-up activities based on students’ scores
assign as homework
share a link with colleagues
print as a bubble sheet

Q 1/10
Score 0
What is nth term in an AP
29
a_{n =}a - (n-1) d
a_{n =}a + (n) d
a_{n =}a + (n +1) d
a_{n =}a + (n-1) d

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes

10 questions

Show answers

Q1
What is nth term in an AP
a_{n =}a - (n-1) d
a_{n =}a + (n) d
a_{n =}a + (n +1) d
a_{n =}a + (n-1) d
15s
Q2
What is sum of five terms of an AP. if it has first term 'a' and common difference 'd'
S_n = $\frac{n}{2}$ [ a + (5-1)d]
S_n = $\frac{n}{2}$ [ a + (n +1)d]
S_n = $\frac{n}{2}$ [ a + (n-1)d]
S₅ = $\frac{5}{2}$ [ a + 4d]
15s
Q3
What is the common difference in an AP: a , a +3d , a + 6d , a + 9d , ......
a + d
2d
3d
d
15s
Q4
What is arithmetic mean between two terms 'a' and 'b' ?
b - a
$\frac{a\ +\ b}{2}$
a + b
$\frac{a\ -\ b}{2}$
15s
Q5
Insert two numbers between 4 & 16, so that resulting numbers are in AP.
8, 10
6, 10
8, 12
10, 12
45s
Q6
If a , b, c are in A.P., then 3^a , 3^b , 3^c are in :
G. P.
H. P.
Special Series
A. P.
45s
Q7
5th term of a GP is 2 , then the products of first 9 terms is :
256
128
512
1024
60s
Q8
If r < 1 in a G P, then sum to n terms is Sn =
$\frac{a\ \left(\ r^{\ n}\ -\ 1\right)}{r\ -\ 1}$
$\frac{a\ \left(\ 1-\ r\ ^n\right)}{1\ -\ r}$
$\frac{n}{2}\left[a\ +\ l\right]$
$\frac{a\ \left(\ r^{\ n\ }-1\right)}{1\ -\ r}$
20s
Q9
Sum of three numbers in an A P = -3 and their Product = 8, then numbers are
2, - 1, 4
4, 1, 2
- 4, -1, 2
- 4, 1, - 2
120s
Q10
The A. M. between two number 'a' and 'b' is :
$\frac{a\ +\ b}{2}$
$\frac{a\ -\ b}{2}$
$\sqrt{a\ b}$
a + b
15s

Teachers give this quiz to your class