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

711

Math Chapter 6

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

A) G^2 = AH

B) All of these

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

D) A> G > H

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2. A sequence is also known as

A) Arrangement

B) Real sequence

C) Progression

D) Complex sequence

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3. An infinite geometric series is Divergent if

A) |r |> 1

B) | r | != 1

C) | r | < 1

D) r = 0

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

A) harmonic series

B) geometric progression

C) harmonic progression

D) arithmetic progression

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

A) Convergent series

B) Divergent series

C) Infinite series

D) finite series

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

A) 5 - 6n + 4n^2

B) 5- 6n +2n^2

C) 5- 6n + 8n^2

D) 5 + 6n + 4n^2

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

A) Equal to A. M

B) Greater than A.M

C) less than their A.M

D) None of these

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

A) an +1 an-1

B) an+1

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

D) an an+1

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9. If a_n= a_n-1, a₁= 1 then a₄=?

A) 660

B) 24

C) 110

D) 6

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

A) 3n - 5

B) 3n – 13

C) 3n + 5

D) 3n- 9

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12. An infinite geometric series is convergent if:

A) | r |= 1

B) |r | > 1

C) | r | < 1

D) |r |>= 1

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13. Harmonic mean between 2 and 8 is

A) ± 4

B) 16/5

C) 5/ 16

D) 5

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

A) Natural sequence

B) Imaginary sequence

C) Real sequence

D) Complex sequence

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

A) Natural numbers

B) Integers (Z)

C) Rational numbers (Q)

D) real number

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16. The sum of terms of a sequence is called

A) None of these

B) Series

C) Partial sum

D) Finite sum

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17. 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) none of these

B) A.P

C) G.P

D) H.P

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

A) Sequence

B) Series

C) Combination

D) Permutation

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

A) All of these

B) A < G < H

C) G2 =AH

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

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20. 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

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

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