Question # 1

Sin^-1 √3/2 =?

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2π/3

π/2

π/3

v/5

The multiplicative inverse of x such that x = 0 is

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-x

does not exist

1/x

0

If a and b are any two distinct negative real numbers and G-ab where A.G.H represent arithmetic geometric and harmonic means then

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1

ω²

ω

0

Which is an explicit function

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y = x² +2x -1

x² +xy +y² =2

xy² -y +9/xy =1

All are

If Z₁ = √-36, Z₂=√-25, Z₃= √-16, then what is the sum of Z₁, Z₂ and Z₃ ?

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√3 I

√7

-2-1

√5

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

The average of first 100 integers is=

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50 1/2

25 1/4

100

5050

Period of Sin 2x =

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π

4π

2nπ

2π

Tan (π + Tan^-1 x) =?

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Tan x

X

-x

Cot^-1 x

If |A| ≠ 0 then A is called

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1

-1

±1

0

Unit vector in the positive direction of x-axis is

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î

ĵ

k̂

All

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NAT I General Science Mathematics MCQs With Answers

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