Question # 1

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

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81

75

211

none

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

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series

sequence

means

convergent

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

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32

64

128

16

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

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

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950

760

1230

875

Sequences are also called:

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Series

Progressions

Means

Convergence

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

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4 or -4

4i or -4i

2 or -2

none

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

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x + 1

x - 1

2x + 2

none

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

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arithmetic sequence

geometricsequence

harmonicsequence

none of these

The reciprocal of the terms of A.P. form:

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A.P

G.P

H.P

none of these

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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A.P

G.P

H.P

none

A sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

An infinite sequence has no:

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nth term

last term

sum

none

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

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24

41

32

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

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divergent

convergent

oscillatory

none of these

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

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512

192

48

96

A clock strikes once when its hour hand is at one, twice when it is at two, and so on. How many times does the clock strike in ten hours ?

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55

78

66

46

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

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

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50

250

100

500

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

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3

1

2

4

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