Question # 1

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

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

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3

1

2

4

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

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24

48

12

6

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

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2n-1

2n+1

2n+3

none

Two A.Ms. between 3 and 9 are:

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3. 6

5, 7

6, 12

3, 9

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

Reciprocals of the terms of the geometric sequence form:

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A.P

G.P

H.P

none

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

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-10

10

7

5

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

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112

212

144

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

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

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

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2

-2

-3

none of these

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

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A.P

G.P

H.P

none

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

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x + 1

x - 1

2x + 2

none

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

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950

760

1230

875

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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