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

697

Math Chapter 6

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

A) Rational numbers (Q)

B) real number

C) Integers (Z)

D) Natural numbers

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2. 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) A.P

B) H.P

C) G.P

D) none of these

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

A) 5- 6n +2n^2

B) 5- 6n + 8n^2

C) 5 + 6n + 4n^2

D) 5 - 6n + 4n^2

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

A) harmonic series

B) harmonic progression

C) arithmetic progression

D) geometric progression

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5. An infinite geometric series is convergent if:

A) | r | < 1

B) |r |>= 1

C) |r | > 1

D) | r |= 1

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6. If a_n= a_n-1, a₁= 1 then a₄=?

A) 110

B) 660

C) 6

D) 24

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

A) Real sequence

B) Imaginary sequence

C) Natural sequence

D) Complex sequence

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

A) G^2 = AH

B) A> G > H

C) All of these

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

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9. The general term of A.P is

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

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

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

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

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10. A sequence is also known as

A) Arrangement

B) Progression

C) Complex sequence

D) Real sequence

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

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

B) an an+1

C) an +1 an-1

D) an+1

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

A) G2 =AH

B) All of these

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

D) A < G < H

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

A) A > G > H

B) A< G

C) A>= G>= H

D) A= G = H

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

A) Convergent series

B) finite series

C) Divergent series

D) Infinite series

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

A) Equal to A. M

B) None of these

C) less than their A.M

D) Greater than A.M

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16. Harmonic mean between 2 and 8 is

A) 5

B) 5/ 16

C) 16/5

D) ± 4

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

A) 3n - 5

B) 3n- 9

C) 3n + 5

D) 3n – 13

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

A) Sequence

B) Permutation

C) Combination

D) Series

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19. The sum of terms of a sequence is called

A) Series

B) None of these

C) Partial sum

D) Finite sum

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20. An infinite geometric series is Divergent if

A) |r |> 1

B) r = 0

C) | r | != 1

D) | r | < 1

Your score is

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

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