Question # 1

Derivative of strictly increasing function is always

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Zero

Positive

Negative

Both A and B

Sin-1 (√2/2)=?

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π/2

π/3

3π/4

2π

Sin^-1 √3/2 =?

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2π/3

π/2

π/3

v/5

120° degrees are equal to how many radians?

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π/3 radians

2π/3 radians

π/4 radians

π/2 radians

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

Every prime number is also

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Rational number

even number

Irrational number

multiple of two numbers

A function F(x) is called even if

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F(x) = F(-x)

F(x) = -F(x)

2F(x) = 0

In the figure angle A is =

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15

60

90

20

d/dx a^x is

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xa^x-1

a^x

x in a

a^x in a

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

If a rectangle has an area 81x² and length of 27x. then what is its width?

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3x

9x

3x²

9x²

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NAT I Engineering Mathematics MCQs With Answers

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