Series and Sequences MCQs with Answers

Series and Sequences MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Series and Sequences MCQs for Preparation.

The student can clear their concepts for Series and Sequences online quiz by attempting it. Doing MCQs based Series and Sequences will help you to check your understanding and identify areas of improvement.

Series and Sequences Online MCQs with Answers

What is the next term in the arithmetic sequence: 2, 5, 8, 11, …?
a) 13
b) 14
c) 15
d) 16

Answer
a) 13

Find the sum of the geometric series: 3, 6, 12, 24, …
a) 84
b) 96
c) 108
d) 120

Answer
b) 96

What is the common difference of the arithmetic sequence: 7, 12, 17, 22, …?
a) 3
b) 4
c) 5
d) 6

Answer
c) 5

Find the next term in the geometric sequence: 4, 12, 36, 108, …
a) 256
b) 324
c) 312
d) 432

Answer
b) 324

Determine the sum of the arithmetic series: 1 + 4 + 7 + 10 + … + 28.
a) 231
b) 238
c) 245
d) 252

Answer
b) 238

What is the common ratio of the geometric sequence: 2, 6, 18, 54, …?
a) 3
b) 4
c) 5
d) 6

Answer
a) 3

Find the next term in the arithmetic sequence: 25, 20, 15, 10, …?
a) 5
b) 4
c) 3
d) 2

Answer
a) 5

Calculate the sum of the infinite geometric series: 2 + 1 + 0.5 + 0.25 + …
a) 4
b) 3
c) 2
d) 1

Answer
b) 3

What is the next term in the geometric sequence: 5, 2.5, 1.25, 0.625, …?
a) 0.3125
b) 0.325
c) 0.31875
d) 0.33125

Answer
c) 0.31875

Find the sum of the arithmetic series: 8 + 15 + 22 + 29 + … + 65.
a) 286
b) 300
c) 314
d) 328

Answer
d) 328

What is the common difference of the arithmetic sequence: 3, 7, 11, 15, …?
a) 3
b) 4
c) 5
d) 6

Answer
b) 4

Find the next term in the geometric sequence: 6, 3, 3/2, 3/4, …?
a) 1/8
b) 3/8
c) 1/6
d) 1/12

Answer
a) 1/8

Determine the sum of the geometric series: 2 + 6 + 18 + 54 + … + 4374.
a) 6560
b) 6561
c) 6562
d) 6563

Answer
b) 6561

What is the next term in the arithmetic sequence: 17, 14, 11, 8, …?
a) 5
b) 4
c) 3
d) 2

Answer
a) 5

Find the sum of the infinite geometric series: 3 + 2 + 4/3 + 8/9 + …
a) 4
b) 3
c) 2
d) 1

Answer
c) 2

What is the common ratio of the geometric sequence: 8, 4, 2, 1, …?
a) 1/8
b) 1/4
c) 1/2
d) 1

Answer
c) 1/2

Find the next term in the arithmetic sequence: 30, 27, 24, 21, …?
a) 18
b) 17
c) 16
d) 15

Answer
a) 18

Calculate the sum of the infinite geometric series: 5 + 2.5 + 1.25 + 0.625 + …
a) 6
b) 5
c) 4
d) 3

Answer
b) 5

What is the next term in the geometric sequence: 9, 6, 4, 8/3, …?
a) 16/9
b) 6/9
c) 8/9
d) 18/9

Answer
a) 16/9

Find the sum of the arithmetic series: 12 + 19 + 26 + 33 + … + 91.
a) 513
b) 520
c) 527
d) 534

Answer
b) 520

What is the common difference of the arithmetic sequence: 10, 16, 22, 28, …?
a) 4
b) 5
c) 6
d) 7

Answer
c) 6

Find the next term in the geometric sequence: 2, -4, 8, -16, …?
a) 32
b) -32
c) 16
d) -8

Answer
a) 32

Determine the sum of the geometric series: 5/3 + 5/9 + 5/27 + … + 5/243.
a) 1
b) 5/2
c) 2
d) 3

Answer
b) 5/2

What is the next term in the arithmetic sequence: 12, 9, 6, 3, …?
a) 0
b) -1
c) -2
d) -3

Answer
d) -3

Find the sum of the infinite geometric series: 4/7 + 8/49 + 16/343 + …
a) 4/3
b) 8/3
c) 16/3
d) 32/3

Answer
c) 16/3

What is the common ratio of the geometric sequence: 3, -6, 12, -24, …?
a) 2
b) -2
c) -3
d) 3

Answer
b) -2

Find the next term in the arithmetic sequence: -7, -10, -13, -16, …?
a) -19
b) -20
c) -21
d) -22

Answer
a) -19

Calculate the sum of the infinite geometric series: 1 + 2 + 4 + 8 + …
a) 2
b) 3
c) 4
d) Infinity

Answer
d) Infinity

What is the next term in the geometric sequence: 7, -14, 28, -56, …?
a) -112
b) 112
c) -84
d) 84

Answer
b) 112

Find the sum of the arithmetic series: -5 + 1 + 7 + 13 + … + 49.
a) 261
b) 268
c) 275
d) 282

Answer
c) 275

What is the common difference of the arithmetic sequence: -2, -6, -10, -14, …?
a) -2
b) -4
c) -6
d) -8

Answer
b) -4

Find the next term in the geometric sequence: 81, -27, 9, -3, …?
a) 1
b) -1
c) 0.1
d) -0.1

Answer
c) 0.1

Determine the sum of the geometric series: 5/2 + 5/4 + 5/8 + … + 5/128.
a) 5/256
b) 5/192
c) 5/256
d) 5/192

Answer
b) 5/192

What is the next term in the arithmetic sequence: 1, -3, 7, -15, …?
a) 31
b) -31
c) -17
d) 17

Answer
a) 31

Find the sum of the infinite geometric series: 1/4 + 1/8 + 1/16 + …
a) 1/2
b) 1/4
c) 1/8
d) 1/16

Answer
a) 1/2

What is the common ratio of the geometric sequence: -5, 10, -20, 40, …?
a) -2
b) 2
c) -4
d) 4

Answer
b) 2

Find the next term in the arithmetic sequence: 100, 90, 80, 70, …?
a) 60
b) 50
c) 40
d) 30

Answer
c) 40

Calculate the sum of the infinite geometric series: 3/5 + 6/25 + 12/125 + …
a) 3/2
b) 6/5
c) 6/25
d) 12/5

Answer
a) 3/2

What is the next term in the geometric sequence: -10, 20, -40, 80, …?
a) -160
b) 160
c) -120
d) 120

Answer
c) -120

Find the sum of the arithmetic series: -3 + 3 + 9 + 15 + … + 99.
a) 972
b) 1002
c) 1032
d) 1062

Answer
c) 1032

What is the common difference of the arithmetic sequence: 2, -1, -4, -7, …?
a) 3
b) -3
c) 2
d) -2

Answer
a) 3

Find the next term in the geometric sequence: 6, 18, 54, 162, …?
a) 486
b) 324
c) 972
d) 810

Answer
a) 486

Determine the sum of the geometric series: 7/2 + 7/4 + 7/8 + … + 7/128.
a) 7/256
b) 7/192
c) 7/512
d) 7/384

Answer
b) 7/192

What is the next term in the arithmetic sequence: -5, -3, -1, 1, …?
a) 3
b) 4
c) 5
d) 6

Answer
a) 3

Find the sum of the infinite geometric series: 2/3 + 4/9 + 8/27 + …
a) 1
b) 2/3
c) 3/2
d) 3

Answer
c) 3/2

What is the common ratio of the geometric sequence: 1, -2, 4, -8, …?
a) -2
b) 2
c) -4
d) 4

Answer
a) -2

Find the next term in the arithmetic sequence: 21, 15, 9, 3, …?
a) -3
b) -6
c) -9
d) -12

Answer
a) -3

Calculate the sum of the infinite geometric series: 6 + 3 + 3/2 + 3/4 + …
a) 6
b) 9
c) 12
d) Infinity

Answer
b) 9

What is the next term in the geometric sequence: -2, 1, -1/2, 1/4, …?
a) -1/8
b) 1/8
c) -1/16
d) 1/16

Answer
c) -1/16

Find the sum of the arithmetic series: 2 + 5 + 8 + 11 + … + 41.
a) 330
b) 333
c) 336
d) 339

Answer
b) 333

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