Question # 1

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

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

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1

n

n!

none

ⁿC₄ =ⁿC₈then n = :

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4

12

8

6

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

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none of these

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

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0

-1

>1

none

No. of necklaces can be made from 7 beads of different colors ?

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360

120

60

70

The middle term in the expansion of (1+x)^1/2 is:

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T₂

T₃

does not exist

none of these

Probability of a certain event is:

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0

1

>1

∞

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

A key ring is an example of:

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permutation

circulation permutation

combination

none

Probability of an impossible event is:

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0

1

-1

∞

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

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n(n-1)

2!

n(n+1)

None

In binomial expansion of (a+b)n, n is positive integer the sum of even coefficients equals:

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none of these

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

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6

12

60

none

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

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1

none of these

The middle terms of (x+y)²³ are:

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T₁₀,T₁₁

T₁₁,T₁₂

T₁₂,T₁₃

none of these

Number of terms in the expansion of (a+b)ⁿ is:

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n

n+1

n-1

none of these

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11th Class FA Mathematics Chapter 8 Online Test MCQs With Answers

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