Question # 1

If ⁿP₂ = 30 then n = :

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5

6

2

3

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

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5, 6

1

A dice is rolled, the probability of getting a number which is even or greater than 4 is:

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none of these

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

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1

none of these

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

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none

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4

6

8

10

The factorial of positive integer is:

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rational no.

positive integer

real no.

none

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

A key ring is an example of:

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permutation

circulation permutation

combination

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

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

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5

15

51

10

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

Probability of an impossible event is:

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0

1

-1

∞

n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

none of these

If S is a sample space and event E is S then P(E) is:

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0

1

>1

none

ⁿC₄ =ⁿC₈then n = :

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4

12

8

6

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

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5

24

20

none

Probability of a certain event is:

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0

1

>1

∞

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

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n(n-1)

2!

n(n+1)

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

One card is drawn at random from a pack of 52 cards. The probability that the card drawn a king is:

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none of these

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Mathematics Fsc Part 1 Chapter 7 Online Test MCQs With Answers

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