Question # 1

No. of signals made by 5 flags of different colors using 3 flags at a time is:

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60

15

10

None

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

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0

-1

>1

none

The value of ⁵C₂ is:

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1

10

20

30

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

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

What is the general term of the sequence 2, 4, 6, 8, ........... ?

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2n

n + 1

2n²

none of these

In how many ways two places can be filled by n objects:

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n(n-1)

2!

n(n+1)

None

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

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

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5

3

7

9

A dice is thrown. The probability to get an even number is:

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1

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

Sequences are also called:

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Series

Progressions

Means

Convergence

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

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512

192

48

96

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

The number of ways in which fiver persons can sit at a round table is:

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4!

5!

none of these

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

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A.P

G.P

H.P

none of these

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

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

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A.P

G.P

H.P

none of these

Probability of an impossible event is:

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0

1

-1

∞

Numbers are formed by using all the digits 1, 2, 3, 4, 5, 6 on digit being repeated, then the numbers which are divisible by 5 are:

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110

120

122

124

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4

6

8

10

A key ring is an example of:

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permutation

circulation permutation

combination

none

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11th Class FA Mathematics Chapter 7 Online Test MCQs With Answers

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