Question # 1

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irrational fraction

polynomial

rational fraction

none of these

If two rows (or two columns) in a square matrix are identical (i.e. corresponding elements are equal), the value of the determinant is:

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0

1

-1

±1

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For what value of k, the roots of the equation x² + √k x + 2 = 0 are equal:

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1

8

2

4

The period of cot x is:

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In a simultaneous throw of two dice, The probability of getting a total of 7 is:

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If sin α < 0 and cos α > 0, then α lies in:

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I

II

III

IV

If an angle α is allied to an angle ß, then α ± ß = __________:

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90°

multiple of 90°

180°

multiple of 180°

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In a triangle ABC if a² - b² + c² = ac then < ß =

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r₁

r₂

r₃

r

For what value of k, the sum of the roots of the equation x² + kx + 4 = 0 is equal to the product of its roots:

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±1

4

±4

-4

The multiplicative invers of a non-zero real number a is:

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0

-a

a

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tan x

cot x

The product of three G.Ms between 1 and 16 is:

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32

64

128

16

No. of signals made by 4 flags of different colors using 2 flags at a time:

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6

12

60

none

A groupoid (S) is called __________ if it is associative in S:

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group

abelian-group

semi-group

associative-group

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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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Additive property

Multiplicativeproperty

Reflexiveproperty

Transitive property

A biconditional is written in symbols as:

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