Question # 1

A key ring is an example of:

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permutation

circulation permutation

combination

none

n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

none of these

The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number 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

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

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none of these

A die is rolled. The probability that the dots on the top are greater than 4 is:

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5, 6

1

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

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The factorial of positive integer is:

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rational no.

positive integer

real no.

none

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

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70

54

70

73

How many different number can be formed by taking 4 out of the six digits 1, 2, 3, 4, 5, 6:

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360

120

366

none of these

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

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5

15

51

10

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

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 arrangements of the letters of the word PAKISTAN can be made, taken all together ?

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21160

20160

20170

20016

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4

6

8

10

No. of selection of n different things out of n is:

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1

n

n!

none

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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0

-1

>1

none

If ⁿP₂ = 30 then n = :

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5

6

2

3

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

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