Question # 1

HCF of x-2 and x+x-6 is:

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x²+x-6

x+3

x-2

x+2

The conjugate of 6 + 5i.

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-6 + 5i

-6 - 5i

6 + 5i

6 - 5i

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-5

3

0

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Similar

Congurent

Equal

Different

The area of a closed region is expressed in _________ units:

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Square

Cubic

Degree 1

Degree 4

Factors of 3x²-x-2 are:

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(x+1),(3x-2)

(x+1),(3x+2)

(x-1),(3x-2)

(x-1),(3x+2)

A triangle can have only ______ right angle:

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1

2

3

4

The line segment, joining the mid-points of two sides of a triangle is parallel to the third side and is equal to _______ of its length:

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Half

Double

If log_x64 = 2 then value of x will be:

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64

2

8

64²

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9cm²

18cm²

3cm²

36cm²

What should be added to complete the square of x⁴+64 _______ :

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8x²

-8x²

16x²

4x²

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Sum of the deviations of the variable "X" from its mean is always:

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Zero

One

Same

In ratio a : b, the first term is called:

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Extremes

Means

Consequent

Antecedent

Equation 3^2-x + 6 = 0 is of type:

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Exponential

Radical

Reciprocal

Non

if a=1, b=-3 and c= 3, then discriminant is:

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3

-2

2

-3

The circumference of a circle is called:

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Tangent

Chord

Boundary

Segment

If f is a function from A to B, then f is one - one function if:

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Range f≠ A

Range f = B

Dom f = A

Second element of all ordered pairs contained in f is not repeated.

If b²-4ac > 0 and is not a perfect square, then roots are:

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Rationaland unequal

Irrationaland equal

Rationaland equal

Irrationaland unequal

The discriminant of 2x²-7x+1= 0 is:

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41

45

43

47

The tangent to a circle and the radial segment joining the point of contact and the __________ are perpendicular to each other:

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Chord

Centre

Tangent

Arc

If A has two elements and B has 3 elements, then number of binary relations in A x B is __________

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2 x 3

2³

2⁶

2²

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

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The multiplicative identity of real numbers is:

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0

1

2

-1

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A.M between x - 3 & x + 5 is __________:

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x + 1

x - 1

2x + 2

none

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1° is equal to:

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Which one is exponential equation:

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ax² + bx + c = 0

ax + b = 0

2^x = 16

Number of terms in the expansion of (x+y)⁶ is:

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7

6

2

8

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

If a variable y depends on a variable x in such a way that each value of x determines exactly one value of y, then y is a __________ of x.

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Independent variable

Not function

Function

None of these

ax + b < c is a inequality of:

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One variable

Two variable

Three variable

Four variable

A parallelogram is a rhombus if and only if its diagonals are:

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Parallel

Perpendicular

Equal

None of these

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x = a

x = 2

x = 0

None

The axis of the parabola y² = 4ax is:

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x = 0

x = a

y = 0

y = a

Joint equation of y + 2x = 0, y - 3x = 0 is:

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(y+2x)(y-3x) = 0

(y-2x)(y-3x) = 0

(y+2x)(y+3x) = 0

(y-2x)(y+3x) = 0

The equi. of latus-rectum of the parabola y² = -4ax is:

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x = a

x = -a

y = a

y = -a

Point of intersection of lines x - 2y + 1 = 0 and 2x - y + 2 = 0 equals:

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(1, 0)

(0, 1)

(-1, 0)

(0, -1)

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4

Does not exist

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Position vector

Null vector

Unit vector

None of these

The distance between the center of a circle and any point of the circle is called:

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Tangents

Secant

Diameter

Radius