Question # 1

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

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50

250

100

500

Sequences are also called:

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Series

Progressions

Means

Convergence

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

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

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112

144

212

none

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

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2n

n + 1

2n²

none of these

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 general term of the geometric sequence -1, 1, -1, 1 ....... ?

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(-1)ⁿ

(1)ⁿ

(-1)^n-1

none of these

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

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series

sequence

means

convergent

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

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divergent

convergent

oscillatory

none of these

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

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

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24

41

32

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

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2

-2

-3

none of these

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

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950

760

1230

875

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

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A.P

G.P

H.P

none of these

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

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

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

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

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6

-6

none of the foregoing numbers

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

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5

3

7

9

What is called the difference between two consecutive terms of an arithmetic sequence ?

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common ratio

common difference

common element

none of these

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