Question # 1

The factorial of positive integer is:

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rational no.

positive integer

real no.

none

The graph of x = sin y is obtained by reflecting the graph of y = sin x about the line:

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x axis

y axis

y = x

y = -x

Which one is a quadrant angle ?

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60°

180°

120°

30°

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

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n(n-1)

2!

n(n+1)

None

Number of ways of arranging 5 keys in a circular ring is:

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12

24

6

5

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3

-3

1/3

-1/3

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0

A set can be described by:

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one way

two ways

several ways

threeways

If S is the H.M between 2 and b then b = :

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-10

10

7

5

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

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logic

proposition

induction

deduction

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

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tabular form

descriptiveform

set builder notation

non-tabular method

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3:5:2

3:2:1

1:2:3

If A is a matrix of order m × n, then the number of elements in each row of A is:

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m

n

m + n

m - n

Complex roots of real quadratic equation always occur in:

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conjugate pair

ordered pair

reciprocal pair

none of these

The domain of y = cos^-1 x function is:

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sin5Θ + sin3Θ is equal to:

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2cos 2Θ sin Θ

-2 cos 4Θ sin Θ

-2 sin 4Θ cos Θ

2 sin 4Θ cos Θ

A set having no element is called:

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null set

subset

singleton

superset

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{1, 2, 3}

{5, 6, 7}

{4}

sin^-1 (-x) =

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-sin^-1 x

sin^-1x

π + cos^-1x

-cos^-1x

If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant:

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I

II

III

IV

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

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