Question # 1

The middle terms of (x+y)²³ are:

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T₁₀,T₁₁

T₁₁,T₁₂

T₁₂,T₁₃

none of these

The additive inverse of a real number is a:

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0

-a

a

A biconditional is written in symbols as:

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If the sum of the roots of the equation kx² - 2x + 2k = 0 is equal to their product, then the value of k is:

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1

2

3

4

The period of cosec 3x is:

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A matrix in which each element is 0 is called:

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cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

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archimedean property

transitive property

multiplicative property

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

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n(n-1)

2!

n(n+1)

None

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A compound statement of the form "if p then q" is called an:

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tautology

conditional

consequent

absurdity

The order of a matrix is shown by:

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number of columns + number of rows

number of rows × number of columns

number of columns - number of rows

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2x

x²

1

none of these

A reference angle Θ is always:

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What is the general term of the geometric sequence -1, 1, -1, 1 ....... ?

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(-1)ⁿ

(1)ⁿ

(-1)^n-1

none of these

7th term of G.P 3, 6, 12 ..... is:

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512

192

48

96

To draw general conclusions from a limited number of observations is called:

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logic

proposition

induction

deduction

n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

none of these

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1 + cos Θ

1 - cos Θ

If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant:

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I

II

III

IV

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