Question # 1

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

Sequences are also called:

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Series

Progressions

Means

Convergence

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

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

A sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

In an A.P.a₃ = 12 and a₇ = 32 then d = :

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5

3

7

9

A.M between x - 3 & x + 5 is __________:

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x + 1

x - 1

2x + 2

none

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

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A.P

G.P

H.P

none of these

The product of three G.Ms between 1 and 16 is:

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32

64

128

16

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

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4 or -4

4i or -4i

2 or -2

none

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

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1 + x²

1 + x

2

none

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

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series

sequence

means

convergent

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

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24

41

32

Reciprocals of the terms of the geometric sequence form:

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A.P

G.P

H.P

none

What is called the difference between two consecutive terms of an arithmetic sequence ?

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common ratio

common difference

common element

none of these

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

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divergent

convergent

oscillatory

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

An infinite sequence has no:

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nth term

last term

sum

none

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

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950

760

1230

875

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