Question # 1

Matrix multiplication is

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Commutative

Not commutative

Not associative

Not distributive

If five triangles are constructed having sides of the lengths indicated below, the triangle that will NOT be a right triangle is

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8, 15, 17

3, 4, 5

12, 15, 18

5, 12, 13

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The law of tangents is ______

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In(x²- x + 1)⁴+ c

The measure of the angle subtended at the centre of the circle by an arc, whose length is equal to the radius of the circle is

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1⁰

1'

1"

1 rad

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0

1

2

None of these

Which of the following sets in infinite

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The set of students of your class

The set of all schools in Pakistan

The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

Additive inverse of - a - b is

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a

-a + b

a - b

a + b

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x = _________ is in the solution of 2x + 3 < 0

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0

2

-1

-2

∀x, y ∈ R, either x = y or x > y or x < y is

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Transitive property

Reflexive property

Trichotomy property

None of these

sin 2 α=

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What is the period of 6 sin x=?

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π

-π

π/2

2π

If #n = (n-5)2 + 5, then find #3 x #4.

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54

12

4

9

The graph of a linear function is

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a circle

triangle

a straight line

none of these

The solution set of the equation tan^-1x - cot^-1x = cos^-1(2 - x) is

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[0, 1]

[-1, 1]

[1, 3]

None of these

f(x) = x3-x/x2+1 is :

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an even function

an odd function

an even and implicit function

neither even nor a odd

tan(π-θ)=_____;

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tanθ

cotθ

-tanθ

-cotθ

The latus rectum of the ellipse 5x²+ 9y²= 45 is

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10 / 3

5 / 3

3 / 5

3 / 10

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pth term of an H.P. is qr and qth term is pr then the rth term of the H.P. is

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pqr

1

pq

pqr²

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c/a

-c/a

b/a

-b/a

Which of the following is a vector.

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distance

temperature

energy

acceleration

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The fifth term of (a+2x3)17 is

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4013 x3a13

2208a13 x12

223x7a18

38080a13 x12

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The decimal fraction in which we have finite number of digits in its decimal part is called.

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recurring decimal fraction

Non terminating faction

Non recurring fraction

terminating decimal fraction

Derivative of x³w.r.t x is

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0

1

3x²

x³

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Null matrix

Triangular matrix

Unit matrix

Rectangular matrix

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