Question # 1

If A = [a_ij] is (m x n) matrix, then transpose of A is of the order

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m x m

m x n

n x n

n x m

The period of the trigonometric function y = sin x cos x is

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2π

π

4π

π / 2

Which of the following sets has closure property w.r.t. addition

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{ 0 }

{ 1 }

{ 0, -1}

{ 1, -1}

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tan270° =__________;

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0

1

-1

Undefined

The factorial of a positive integers is a (an)

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Rational number

Positive integer

Real number

None

Through how many radians does the minute hand of a clock turn in one hour

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12

6

8

none of these

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Right angled

Obtuse angled

Isosceles

Equilateral

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If the equation x2+2x-3=0 and x2+3x-k=0 have a common root then the non - zero value of k is

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1

3

2

4

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