Question # 1

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

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50

250

100

500

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

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

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

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

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81

75

211

none

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

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4 or -4

4i or -4i

2 or -2

none

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

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

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24

48

12

6

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

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5

3

7

9

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

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32

64

128

16

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

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arithmetic sequence

geometricsequence

harmonicsequence

none of these

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

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24

41

32

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

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6

-6

none of the foregoing numbers

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

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2n-1

2n+1

2n+3

none

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

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divergent

convergent

oscillatory

none of these

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

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

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x + 1

x - 1

2x + 2

none

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