Question # 1

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

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-10

10

7

5

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

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24

41

32

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

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5

3

7

9

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

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

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24

48

12

6

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

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arithmetic sequence

geometricsequence

harmonicsequence

none of these

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A.P

G.P

H.P

none

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

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arithmetic sequence

geometricsequence

sequence

none of these

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

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

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950

760

1230

875

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

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

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512

192

48

96

An infinite sequence has no:

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nth term

last term

sum

none

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

What is the general term of the sequence 2, 4, 6, 8, ........... ?

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2n

n + 1

2n²

none of these

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

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3

1

2

4

Reciprocals of the terms of the geometric sequence form:

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A.P

G.P

H.P

none

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

If a_n-1 = 2n - 3 then a_n+1 =

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2n - 1

2n + 1

2n + 3

none

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