Question # 1

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

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5

3

7

9

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

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112

212

144

none

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

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A.P

G.P

H.P

none of these

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

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112

144

212

none

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

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6

-6

none of the foregoing numbers

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

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32

64

128

16

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

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24

48

12

6

What is called the arrangement of numbers formed according to some definite rule ?

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arithmetic sequence

geometricsequence

sequence

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

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

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24

41

32

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

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-10

10

7

5

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

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x + 1

x - 1

2x + 2

none

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

An infinite sequence has no:

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nth term

last term

sum

none

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

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50

250

100

500

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

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

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2n - 1

2n + 1

2n + 3

none

7th term of G.P 3, 6, 12 ..... is:

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512

192

48

96

Reciprocals of the terms of the geometric sequence form:

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A.P

G.P

H.P

none

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Mathematics FA Part 1 Chapter 6 Online Test MCQs With Answers

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