Question # 1

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

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A.P

G.P

H.P

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 sequence of numbers whose reciprocal form an arithmetic sequence, is known as:

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arithmetic sequence

geometricsequence

harmonicsequence

none of these

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

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

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

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32

64

128

16

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

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2

-2

-3

none of these

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

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A.P

G.P

H.P

none of these

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

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24

48

12

6

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

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2n - 1

2n + 1

2n + 3

none

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

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112

212

144

none

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

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1 + x²

1 + x

2

none

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

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

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950

760

1230

875

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

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4 or -4

4i or -4i

2 or -2

none

Zero cannot be a term of:

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A.P and G.P

G.P and H.P

A.P and H.P

only H.P

A sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

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

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6

-6

none of the foregoing numbers

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

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Mathematics Fsc Part 1 Chapter 6 Online Test MCQs With Answers

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