Question # 1

A.M between 1 + x - x² and 1 + x + x² is:

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1 + x²

1 + x

2

none

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

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A.P

G.P

H.P

none of these

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

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arithmetic sequence

geometricsequence

sequence

none of these

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

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24

41

32

The next term of the sequence 1, 6, 20, 56, ........ is:

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112

144

212

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

Zero cannot be a term of:

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A.P and G.P

G.P and H.P

A.P and H.P

only H.P

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

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

7th term of G.P 3, 6, 12 ..... is:

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512

192

48

96

Sum of all positive integral multiples of 3 less than 100 is:

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950

760

1230

875

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

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2n-1

2n+1

2n+3

none

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

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81

75

211

none

Sequences are also called:

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Series

Progressions

Means

Convergence

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

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arithmetic sequence

geometricsequence

harmonicsequence

none of these

Reciprocals of the terms of the geometric sequence form:

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A.P

G.P

H.P

none

If there are six G.Ms between 3 and 284 then G₄ =

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24

48

12

6

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

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

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112

212

144

none

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

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Mathematics FA Part 1 Chapter 6 Online Test MCQs With Answers

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