Question # 1

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

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

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A.P

G.P

H.P

none of these

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

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

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divergent

convergent

oscillatory

none of these

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

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

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

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32

64

128

16

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

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

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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

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

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3

1

2

4

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

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4 or -4

4i or -4i

2 or -2

none

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

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112

212

144

none

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

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112

144

212

none

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

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-10

10

7

5

A sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

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Mathematics FA Part 1 Chapter 6 Online Test MCQs With Answers

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