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WorksheetsQ 7 Arithmetic and Geometric Sequences
Total questions: 36
Worksheet time: 36mins
The 7th term of the Geometric Progression 2, 6, 18, ... is
5832
2919
1458
729
If a, G, b are in Geometric Progression then ‘G’ is said to be
arithmetic mean
geometric mean
standard deviation
none of above
If the sequence does not has a last term, then it is said to be
finite sequence
arithmetic sequence
infinite sequence
none of above
The Geometric Progression between −4 and −9 is
±8
−8
±6
−6
The arithmetic mean between a and 10 is 30, the value of ‘a’ should be
45
60
50
53
Geometric mean is calculated by
± √ab
± ab
(a + b)²
a - b ⁄ 2
Three arithmetic means between 11 and 19 are
12, 14, 15
13, 15, 17
13, 14, 15
14, 15, 17
If a = 4, an = 110, d = 2, then the value of n should be
51
52
53
54
The arithmetic mean between √5 and 3√5 is
2√5
4√5
√5
5
If r = 10, an = 100, a = 1 then ‘n’ should be equal to
2
1
4
3
The arithmetic mean between −4 and 12 is
5
- 4
4
3
To represent a sequence, a special notation is used called
an
am
an
a ⁄ n
The arithmetic mean between x -1 and x + 7 is
x + 4
x - 3
x + 3
x - 4
The three Geometric means between 2 and 32 are
6, 10, 14
10, 12, 14
6, 8, 10
4, 8, 16
In arithmetic sequence, the terms are denoted by
an
am
an
a ⁄ n
The 24th term in the Arithmetic Progression 3, 5, 7, .... is
47
48
49
52
Next term of 9, 12, 16, 21 is
24
34
27
30
An arrangement of numbers written in definite as per some specific rules is called
subset
sequence
combination
permutation
The Geometric Progression between 5 and 9 is
15
±3 √5
√5
7
In arithmetic sequence, the common difference is denoted by
D
d
r
n
If a, A, b are in Arithmetic Progression then ‘A’ is said to be
arithmetic mean
geometric mean
standard deviation
none of above
A sequence is also called
combination
permutation
progression
logarithm
The 8th term in the Arithmetic Progression −4, −7, −10, .... is
25
-25
27
-27
In arithmetic sequence, the numbers are called
terms
rate
coefficient
sigma
If 2 and 4 are two arithmetic means between a and b, then the value of a and b are
0 and −6
−1 and 5
1 and 3
0 and 6
A sequence of numbers, each of which after the 1st is obtained from the preceding one by adding to it a fixed number is known as
geometric sequence
finite sequence
infinite sequence
arithmetic sequence
Which term of an Arithmetic Progression 6, 4, 2, 0, −2, .... is -120?
60
62
64
61
The general term of Geometric Progression is
an = arn-1
an = arn-1
an = arn
an = arn+1
In any case, the common ratio in Geometric Progression cannot be
2
1
3
0
If the sequence has a last term, then it is said to be
infinite sequence
finite sequence
arithmetic sequence
none of above
If ‘a’ is the first term of an Arithmetic Progression, then the 3rd term will be
a³
a + 2d
a + 3d
a + 3r
If a = 8, an = 206, n = 23, then the value of ‘d’ should be
9
10
8
7
Arithmetic mean is calculated by
(a + b)²
(a + b) ⁄ 2
a × 2b
a - b ⁄ 2
In geometric sequence, the common ratio is denoted by
d
b
r
R
The 6th term of the Geometric Progression 2, 8, 16, ... is
1024
2048
8192
4096
A sequence of numbers, each of which after the 1st is obtained by multiplying the preceding by a fixed number is known as
geometric sequence
finite sequence
infinite sequence
arithmetic sequence
