Question # 1

If set A = {1, 2, 3} and B = {1, 2, 3} then sets A and B are:

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not equal

equal

disjoint

overlapping

2 cos α cos ß =

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sin (α + ß) - sin (α - ß)

cos (α + ß) - cos (α - ß)

cos (α + ß) + cos (α - ß)

sin (α + ß) + sin (α - ß)

Probability of a certain event is:

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0

1

>1

∞

sin (α + ß) =

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Minors and co-factors of the elements in a determinant are equal in magnitude but they may differ in:

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order

position

sign

symmetry

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

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n(n-1)

2!

n(n+1)

None

The ordered pairs (4, 5) and (5, 4) are:

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same

different

both a and b

N

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3

1

4

None

The additive inverse of a real number is a:

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0

-a

a

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degree of P(x) = degree of Q(x)

degree of P(x) < degree of Q(x)

degree of P(x) > degree of Q(x)

none of these

The additive inverse of a matrix A is:

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A

A^-1

- A

A²

In triangle the length of the sides are 7, 4√3 and √13. Then the smallest angle is:

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15°

30°

60°

45°

In circular system the angle is measured in:

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radians

degrees

degrees, minutes

degrees, seconds

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30°

45°

60°

75°

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integer

rationalnumber

irrationalnumber

naturalnumber

B - A is a subset of:

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A

B

If A = {1, 2, 7, 9}, B = {1, 4, 7, 11}:

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disjoints sets

equal sets

overlapping sets

complementary sets

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

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none of these

Irrational numbers are:

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terminating decimals

non-terminating decimals

non-terminating, repeating decimals

non-terminating, non repeating

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