Question # 1

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

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A.P

G.P

H.P

none of these

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

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 sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

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

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series

sequence

means

convergent

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

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x + 1

x - 1

2x + 2

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

What is the common difference of the sequence 11, 5, -1, ......... ?

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6

-6

none of the foregoing numbers

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

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1 + x²

1 + x

2

none

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

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2

-2

-3

none of these

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

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81

75

211

none

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

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2n-1

2n+1

2n+3

none

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

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-10

10

7

5

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

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32

64

128

16

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

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3

1

2

4

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

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950

760

1230

875

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

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

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

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