Question # 1

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

If a_n-3 = 2n - 5 then a_n =

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2n-1

2n+1

2n+3

none

The next term of the sequence-1, 2, 12, 40, .........is:

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112

212

144

none

If a_n = (n + 1) a_n-1, a₁ = 1, second term of the sequence is:

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3

1

2

4

Sum of integral multiples of there between 4 and 22 is:

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81

75

211

none

The series 3 + 33 + 333 + ...... is:

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A.P

G.P

H.P

none of these

What is the next term in the sequence 10, 7, 4, 1...........?

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2

-2

-3

none of these

Sequences are also called:

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Series

Progressions

Means

Convergence

If S is the H.M between 2 and b then b = :

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-10

10

7

5

A function whose domain is the set of natural numbers is called the:

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series

sequence

means

convergent

A sequence of numbers whose reciprocal form an arithmetic sequence, is known as:

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arithmetic sequence

geometricsequence

harmonicsequence

none of these

The series 2 + 2 + 2 ..... is:

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divergent

convergent

oscillatory

none of these

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

Fifth term of the sequence 2, 6, 11, 17.

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24

41

32

What is called the arrangement of numbers formed according to some definite rule ?

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arithmetic sequence

geometricsequence

sequence

none of these

The reciprocal of the terms of A.P. form:

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A.P

G.P

H.P

none of these

What is the common difference of the sequence 11, 5, -1, ......... ?

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6

-6

none of the foregoing numbers

An infinite sequence has no:

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nth term

last term

sum

none

Two A.Ms. between 3 and 9 are:

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3. 6

5, 7

6, 12

3, 9

What is the general term of the geometric sequence -1, 1, -1, 1 ....... ?

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(-1)ⁿ

(1)ⁿ

(-1)^n-1

none of these

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

G.M between -2i and 8i is:

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4 or -4

4i or -4i

2 or -2

none

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Mathematics FA Part 1 Chapter 6 Online Test MCQs With Answers

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