Question # 1

In the figure PS is perpendicular to QR, if PQ = PR 26 and P8 = 24,then QR=

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10

20

40

26

If 1 + Cos x = 0 then x =

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π +2n π

π + nπ

π - nπ

π/2

The radius of the circle (x- 1)² + (y + 3)² =64 is

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8

2√2

4

64

P(x) = 2x⁴ -3x³ +2x-1 is polynomial of degree

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1

2

3

4

∫sec (ax + b) tan(ax + b) dx=_______

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sec(ax + b)/a

sec² (ax + b)/2

sec(ax + b)/x

1/2

The set { {a,b} } is

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{X/X∈ A∧x ∈ U}

{X/X∉ A∧x ∈ U}

{X/X∈ A and x ∉ U}

A-U

If a line passes through origin then the equation of the line is

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y = m/x

y = mx

x = my

None

Given X, Y are any two sets such that number of elements in X=28, number of elements in set Y=28, and number of elements in set X∪Y=54, then number of elements in set X∩Y=

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-7 + 2i

7 + 2i

7-2i

√53

Cot 360° =______.

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Undefined

0.707

-0.5

0

A relation in which the equality is true only for some values of the unknown variable is called

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An identity

An equation

A polynomial

Inverse function

In the figure angle A is =

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15

60

90

20

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NAT I Engineering Mathematics MCQs With Answers

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