Question # 1

Number of ways of arranging 5 keys in a circular ring is:

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12

24

6

5

No. of arrangements of the letters of the word PAKISTAN can be made, taken all together ?

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21160

20160

20170

20016

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

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

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

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

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112

144

212

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

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

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n(n-1)

2!

n(n+1)

None

The factorial of positive integer is:

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rational no.

positive integer

real no.

none

In a simultaneous throw of two dice, The probability of getting a total of 7 is:

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

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5

1

none

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

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0

-1

>1

none

The number of diagonals of a polygon with n sides is:

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none of these

A dice is thrown. The probability to get an odd number is;

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1

none of these

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

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2n-1

2n+1

2n+3

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

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

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1 + x²

1 + x

2

none

In a simultaneous throw of two dice, The probability of getting sum 3 or 11 is:

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none

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

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24

48

12

6

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Mathematics FA Part 1 Chapter 7 Online Test MCQs With Answers

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