Question # 1

The solution set of x < 4 is

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-∞< x < 4

-∞> x > 4

-∞< x < 2

-∞> x > 2

Tan(α-β)=

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The period of 3 sin x is

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2π

9π

3π

5π

if f(x) = x³ -3x² +5x -1, then f(-√2)=

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7+7√2

3+3√2

-7-7√2

-3-3√2

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The fixed point from which all the points of a circle are equidistant is called the

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chord of the circle

centre of the circle

diameter of the circle

radius of the circle

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(1,7/3)

(1, 7/5)

(1, 11/7)

(1, 3/5)

The multiplicative inverse of (a,b) is

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3x + 4 > 0 is

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equation

inequality

identity

none of these

Three integers are chosen at random from the first 20 integers. Then probability that their product is even, is

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2 / 19

3 / 29

17 / 19

4 / 19

The condition for polynomial equation ax2 + bx + c = 0 to be quadratic is

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a > 0

a < 0

a≠ 0

a≠ 0,b ≠ 0

A vector of magnitude zero is called

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Position vector

Null vector

Free vector

None of these

If three unequal numbers p, q, r are in H.P. and their squares are in A.P., then the ration p : q : r is

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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

Which conjunction is not true ?

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The contra positive of p → q is

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q → p

~q→~q

~p→~q

None of these

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Associative property of addition

Associative property of multiplication

Commutative property of addition

Commutative property of multiplication

The magnitude of a vector can never be

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Zero

Negative

Positive

None of these

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8

9

10

11

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x = f(y)

y = f(x)

x = f(x)

y = f(y)

If A = {2m/m³= 8 , m€ Z} then A =

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{1,8,27}

{4}

(2,4,6}

{2,16,54}

If (x₁, y₁) and (x₂,y₂) are the end points of a diameter then the centre of the circle is

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If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a

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parabola

circle

hyperbola

ellipse

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The straight lines represented by the equation ax2+ 2hxy +by2 =0 intersects at

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(1,1)

(0,1)

(1,0)

(0,0)

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(x, y)

(kx, y)

(x, ky)

(kx, ky)

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all

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

A person standing on the bank of a river finds that the angle of elevation of the top of a tower on the opposite bank is 45°. then which of the following statements is correct?

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Breadth of the river is twice the height of the tower

Breadth of the river an the height of the tower are the same

Breadth of the river is half of the height of the tower

None of these

When rational fraction is separated into partial fractions, the result is

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an identity

A fraction

A partial sum

Improper fraction

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