Question # 1

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

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A.P

G.P

H.P

none of these

Domain of finite sequence is:

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set of natural numbers

subset of N

R

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

An infinite sequence has no:

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nth term

last term

sum

none

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

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

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

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2

-2

-3

none of these

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

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2n - 1

2n + 1

2n + 3

none

The sum of 10 A.Ms between 3 and 47 is:

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50

250

100

500

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

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2n

n + 1

2n²

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

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

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divergent

convergent

oscillatory

none of these

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

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32

64

128

16

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

A sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

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

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112

212

144

none

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