Question # 1

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

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6

-6

none of the foregoing numbers

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

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divergent

convergent

oscillatory

none of these

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

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A.P

G.P

H.P

none of these

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

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112

212

144

none

A sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

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

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

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3

1

2

4

A dice is rolled, the probability of getting a number which is even or greater than 4 is:

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none of these

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

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950

760

1230

875

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Probability of an impossible event is:

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0

1

-1

∞

No. of signals made by 4 flags of different colors using 2 flags at a time:

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6

12

60

none

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

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2n-1

2n+1

2n+3

none

No. of necklaces can be made from 7 beads of different colors ?

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360

120

60

70

n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

none of these

Two A.Ms. between 3 and 9 are:

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3. 6

5, 7

6, 12

3, 9

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

No. of triangles can be formed by joining the vertices of the polygon having 12 sides ?

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202

220

110

none of these

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

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50

250

100

500

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

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1 + x²

1 + x

2

none

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

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32

64

128

16

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

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series

sequence

means

convergent

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Mathematics FA Part 1 Chapter 7 Online Test MCQs With Answers

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