Question # 1

If S is a sample space and event E is S then P(E) is:

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0

1

>1

none

tan (-135°) =

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0

1

√2

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A

B

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p is false and q is true

both p and q are false

p is true and q is false

both p and q are true

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none of these

The roots of the equation:

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complex

irrational

rational

none of these

The distance between the points P(x1, y1) and Q(x2, y2) is:

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If A is a square matrix, then A + A^t is:

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If any two rows of a square matrix are interchanged, the determinant of the resulting matrix:

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is zero

is multiplicative inverse of the determinant of the original matrix

is additive inverse of the determinant the original matrix

none of these

If each element of a 3 × 3 matrix A is multiplied by 3, then the determinant of the resulting matrix is:

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|A|³

27|A|

3|A|

9|A|

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

sin^-1 (-x) =

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-sin^-1 x

sin^-1x

π + cos^-1x

-cos^-1x

If A is a matrix of order m × n and B is a matrix of order n × p then the order of AB is:

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p×m

p×n

n×p

m×p

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{1, 2, 3}

{5, 6, 7}

{4}

Period of a trigonometric function is:

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any real number

any negative real number

any integer

a least positive number

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cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

sec (2π + Θ), where Θ is a basic angle will have terminal side in:

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quad. I

quad. II

quad. III

quad. IV

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i

The value of ⁵C₂ is:

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1

10

20

30

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