Question # 1

The middle term in the expansion of (a+b)²⁰ is;

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10^th term

11^thterm

12^thterm

13^thterm

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

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none

A dice is thrown. The probability to get an odd number is;

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1

none of these

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

Probability of a certain event is:

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0

1

>1

∞

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

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none of these

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

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none of these

If n is a positive integer, then the binomial co-efficient equidistant form the beginning and the end in the expansion of (x+a)ⁿ are:

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same

not same

additive inverse of each other

none of these

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

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1

none of these

The middle term of (x-y)¹⁸ is:

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9th

10th

11th

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

If ⁿP₂ = 30 then n = :

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5

6

2

3

Probability of an impossible event is:

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0

1

-1

∞

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

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5

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

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