Question # 1

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

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5, 6

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

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

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none

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

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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

Probability of a certain event is:

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0

1

>1

∞

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4

6

8

10

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

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0

1

>1

none

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

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1

n

n!

none

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0

-1

>1

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 12 sides ?

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70

54

70

73

Probability of an impossible event is:

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0

1

-1

∞

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

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 number of diagonals of a polygon with n sides is:

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none of these

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

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5

1

none

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

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12

24

6

5

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

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