Question # 1

Probability of an impossible event is:

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0

1

-1

∞

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

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If ⁿP₂ = 30 then n = :

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5

6

2

3

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4

6

8

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

Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is:

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5

24

20

none

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

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none

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

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15130

15120

1512

none of these

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0

-1

>1

none

A key ring is an example of:

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permutation

circulation permutation

combination

none

ⁿC₄ =ⁿC₈then n = :

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4

12

8

6

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

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5, 6

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

n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

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

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 5 sides ?

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5

15

51

10

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

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6

12

60

none

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

Probability of a certain event is:

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0

1

>1

∞

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

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