Question # 1

A fraction in which the degree of the numerator is less than the degree of the denominator is called

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1-i √-3 / 2

-1+i √-3 / 2i

-1+i √3 / 2

1+i √3 / 2

Sin x + Cos x=1 x=

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π

π/2

π/3

π/4

Sec^-1 x=

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Cos^-1 1/x

Cosec^-1 1/x

Cos-1 (-x)

Tan^-1 x

The statement that a group can have more than one identity elements is

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True

False

Fallacious

Some times true

The difference of two consecutive terms of an A.P is called

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Zero

One

Four

Infinite

The circle (x -2)² + (y + 3)² =4 is not concentric with the circle

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(x -2)² + (y + 3)² =9

(x +2)² + (y - 3)² =4

(x -2)² + (y + 3)² =8

(x -2)² + (y + 3)² =5

The set {1, -1, i, -i}, form a group under

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addition

multiplication

subtraction

None

The perpendicular bisector of any chord of a circle

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Passes through the center of the circle

Does not pass through the center of the circle

May or may not pass through the center of the circle

None of these

d/dx ∫x¹ dx =________.

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1/4 x⁴

X³

3x³

x⁴/4

If the angle between two vectors with magnitude 8 and 2 is 60° then their scalar product is

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12

8

16

1

(x+2)² = x² +4x +4 is

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1

2

3

4

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NAT I General Science Mathematics MCQs With Answers

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