Question # 1

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

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6

12

60

none

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

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1

n

n!

none

The middle term of (x-y)¹⁸ is:

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9th

10th

11th

none of these

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

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none of these

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 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

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

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1

none of these

No. of arrangements can be made of 4 letters a, b, c, d taken 2 at a time ?

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8

12

10

14

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

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T₂

T₃

does not exist

none of these

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

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

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

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10^th term

11^thterm

12^thterm

13^thterm

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

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