1st Year Math Chapter 6 Sequence and Series MCQs

If your search is to get the 1st Year Math Chapter 6 Sequence and Series MCQs With Answers then you are in the right place. This chapter is very important in terms of the entry test. But here we are providing the important MCQs of this chapter. A sequence is used to represent ordered lists of numbers. Through these, you will be able to have a grip on the concepts including sequences and types of sequences. After this, we have two different terms Arithmetic Progression and Arithmetic Mean, Harmonic Progression and Harmonic mean. Next, we have the concept of series, Geometric Progression, Geometric Mean, infinite geometric series, and finally the relationship between arithmetic, geometric, and Harmonic means. So, let’s check the important MCQs of this chapter below.

1st Year Math Chapter 6 Sequence and Series MCQs With Answers

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Math Chapter 6

1 / 20

1. If a_n= a_n-1, a₁= 1 then a₄=?

A) 110

B) 24

C) 660

D) 6

2 / 20

2. Harmonic mean between 2 and 8 is

A) ± 4

B) 16/5

C) 5

D) 5/ 16

3 / 20

3. A sequence {a_n} in which a_n- a_n-1 is the Same number for all n E N n > 1, is called

A) G.P

B) none of these

C) H.P

D) A.P

4 / 20

4. If a_n-2= 3n - 11, then a_n=

A) 3n- 9

B) 3n + 5

C) 3n – 13

D) 3n - 5

5 / 20

5. If both X & Y are +ve distinct real numbers, then the G.M. between is

A) Equal to A. M

B) less than their A.M

C) Greater than A.M

D) None of these

6 / 20

6. If a and b are two negative numbers, then

A) A< G

B) A>= G>= H

C) A= G = H

D) A > G > H

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7. If A, G, and H are Arithmetic, Geometric and Harmonic means between two positive numbers, then

A) A> G > H

B) A, G, H are in G.P

C) All of these

D) G^2 = AH

8 / 20

8. An infinite geometric series is convergent if:

A) |r | > 1

B) | r |= 1

C) |r |>= 1

D) | r | < 1

9 / 20

9. A sequence whose range is R i.e. set of real numbers is called

A) Imaginary sequence

B) Complex sequence

C) Real sequence

D) Natural sequence

10 / 20

10. If sum of a series is not defined, then it is called

A) finite series

B) Infinite series

C) Convergent series

D) Divergent series

11 / 20

11. A sequence is a function whose domain is a set of

A) Rational numbers (Q)

B) real number

C) Natural numbers

D) Integers (Z)

12 / 20

12. The general term of A.P is

A) an = a - (n +1) d

B) an = a- (n - 1) d

C) an= a + (n + 1) d

D) a= a + (n - 1) d

13 / 20

13. If A, G, and H are Arithmetic, Geometric and Harmonic means between two negative numbers, then

A) G2 =AH

B) A < G < H

C) A, G, H are in G.P

D) All of these

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14. A sequence is also known as

A) Progression

B) Arrangement

C) Real sequence

D) Complex sequence

15 / 20

15. An infinite geometric series is Divergent if

A) | r | < 1

B) |r |> 1

C) | r | != 1

D) r = 0

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16. If {a_n} is an Arithmetic sequence then the common difference is

A) an an+1

B) an+1

C) an-1 an+1 n E N, n> 1

D) an +1 an-1

17 / 20

17. The sum of terms of a sequence is called

A) Series

B) Partial sum

C) Finite sum

D) None of these

18 / 20

18. An arrangement of numbers according to some definite rule is called

A) Sequence

B) Series

C) Permutation

D) Combination

19 / 20

19. If a_n= 5 -3n +2n^2, then a_2n=

A) 5- 6n + 8n^2

B) 5 - 6n + 4n^2

C) 5 + 6n + 4n^2

D) 5- 6n +2n^2

20 / 20

20. The numbers a - d, a, a +d are in

A) harmonic series

B) geometric progression

C) arithmetic progression

D) harmonic progression

Your score is

1st Year Math Chapter 6 Sequence and Series MCQs With Answers

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