Question # 1

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

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

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2

-2

-3

none of these

For a positive integer n:

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(n+1)! = (n+1)n!

(n+1)! = (n+1)(n-1)!

n! = n(n+1)!

none of these

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

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6

12

60

none

No. of arrangements of the letters of the word plane taking all letters at a time:

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5

1

none

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3 ?

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none of these

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

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24

41

32

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

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950

760

1230

875

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

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112

212

144

none

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

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360

120

60

70

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

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divergent

convergent

oscillatory

none of these

No. of triangles can be formed by joining the vertices of the polygon having 5 sides ?

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10

15

20

none of these

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

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

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A.P

G.P

H.P

none of these

A key ring is an example of:

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permutation

circulation permutation

combination

none

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0

-1

>1

none

No. of arrangements can be made of 4 letters a, b, c, d taken 2 at a time ?

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8

12

10

14

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

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

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6

-6

none of the foregoing numbers

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Mathematics FA Part 1 Chapter 7 Online Test MCQs With Answers

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