Question # 1

If f(x) = arccos x, then:

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When a rational fraction is separated into partial fractions, the result is:

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If z₁ = 4i and z₂ = 3 - 9i, then z₁ + z₂ =

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3 - 5i

3i - 5

7 - 9i

3 + 5i

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20

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30°

45°

60°

75°

If a_n-1 = 2n - 3 then a_n+1 =

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2n - 1

2n + 1

2n + 3

none

If A = [a_ij], B = [b_ij] and AB = 0 then:

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A = 0

B = 0

either A = 0 or B = 0

A & B not necessarily zero

If a set is described in words, the method is called:

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tabular form

descriptiveform

set builder notation

non-tabular method

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

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n(n-1)

2!

n(n+1)

None

If there are six G.Ms between 3 and 284 then G₄ =

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24

48

12

6

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{1, 2, 3}

{5, 6, 7}

{4}

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

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0

1

>1

none

Graphs of trigonometric function within their domains are:

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line segments

sharp corners

broken lines

smooth curves

cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

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Which one is a quadrant angle ?

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60°

180°

120°

30°

A - B is a subset of:

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A

B

A circle which touches one side of a triangle externally and the other two produces sides internally is known as:

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If triangle ABC, If ß = 90° then:

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none of these

Range of the function y = tan^-1 x is:

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sin x

cosec x

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