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

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

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n

n+1

n-1

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

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

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

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5

1

none

The middle term of (x-y)¹⁸ is:

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9th

10th

11th

none of these

A key ring is an example of:

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permutation

circulation permutation

combination

none

If a statement P(n) is true for n = 1 and truth of P(n) for n = k implies the truth of P(n) for n = k + 1, then P(n) is true for all:

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integers n

real numbers n

positive real numbers n

positive integers n

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 ⁿP₂ = 30 then n = :

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5

6

2

3

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

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6

12

60

none

Probability of a certain event is:

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0

1

>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

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

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