Question # 1

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

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2n

n + 1

2n²

none of these

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

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112

212

144

none

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

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81

75

211

none

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

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950

760

1230

875

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

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32

64

128

16

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

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2n-1

2n+1

2n+3

none

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

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6

-6

none of the foregoing numbers

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

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50

250

100

500

Domain of finite sequence is:

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set of natural numbers

subset of N

R

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

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

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A.P

G.P

H.P

none of these

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

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1 + x²

1 + x

2

none

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

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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

Two A.Ms. between 3 and 9 are:

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3. 6

5, 7

6, 12

3, 9

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

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A.P

G.P

H.P

none of these

Sequences are also called:

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Series

Progressions

Means

Convergence

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

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

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x + 1

x - 1

2x + 2

none

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