Question # 1

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

Sequences are also called:

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Series

Progressions

Means

Convergence

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

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2n - 1

2n + 1

2n + 3

none

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

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2n-1

2n+1

2n+3

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

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

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3

1

2

4

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

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series

sequence

means

convergent

A sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

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

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2

-2

-3

none of these

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

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

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4 or -4

4i or -4i

2 or -2

none

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

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

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-10

10

7

5

Two A.Ms. between 3 and 9 are:

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3. 6

5, 7

6, 12

3, 9

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

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112

144

212

none

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

Reciprocals of the terms of the geometric sequence form:

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A.P

G.P

H.P

none

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

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

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A.P

G.P

H.P

none of these

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A.P

G.P

H.P

none

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

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24

41

32

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