Question # 1

The number of real roots in cube roots of 8 is ?

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n x m

m x n

km x n

m x kn

How many elements are in the sample space of two rolling dies

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6

12

18

36

Domain of Cosecθ is

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is R but θ= nπ

is R but θ ≠ nπ

is R but θ ≠ 2nπ

is R but θ ≠ nπ/2

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

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Zero

One

Four

Infinite

2/(x+1)(x-1) = A/x+1 + B/x-1 corresponds to

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α = b/a and β = ca

α = a/b and β = -c/a

α² + β² = 1

α = -b/a and β= c/a

x is a member of the set {-1,0,3,5} y is a member of the set {-2,1,2,4} which is possible?

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x- y =-6

x -y < -6

x -y > 6

None

The set of the first elements of the ordered pairs forming a relation is called its

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-x

does not exist

1/x

0

Sin^-1 x =?

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π/2- Sin^-1 x

π/2 -Cos^-1 x

-Sin^-1 x

-Cos^-1 x

Sin-1 [-1/2] = ______.

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∏/3

-∏/6

-∏/3

∏/6

If Cⁿ_r, Pⁿ_r = 24:1 then r = ?

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1

2

3

4

Sin-1 (√2/2)=?

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π/2

π/3

3π/4

2π

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NAT I Engineering Mathematics MCQs With Answers

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