Question # 1

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

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2

-2

-3

none of these

The next term of the sequence 1, 6, 20, 56, ........ is:

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112

144

212

none

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

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50

250

100

500

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

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2n - 1

2n + 1

2n + 3

none

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

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A.P

G.P

H.P

none of these

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

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divergent

convergent

oscillatory

none of these

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

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.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

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

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3

1

2

4

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

Two A.Ms. between 3 and 9 are:

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3. 6

5, 7

6, 12

3, 9

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

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24

41

32

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

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5

3

7

9

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

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-10

10

7

5

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

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

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2n

n + 1

2n²

none of these

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A.P

G.P

H.P

none

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

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6

-6

none of the foregoing numbers

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