Question # 1

HCF of 5x²y² and 20x³y³ is:

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5x²y²

20x³y³

10x⁵y⁵

5xy

__________ triangle is an equilateral triangle:

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Right triange

Scalene

Equilateral

Isoscless

An irrational radical with rotational radicanal is called ______:

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Polynomial

Surd

Rotaional

Irrational

Congruent triangles are ___________:

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Parallel

Similar

Different

None of these

log (mⁿ) can be written as:

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(log m)ⁿ

m log n

n log m

log (mn)

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6cm²

12cm²

72cm²

36cm²

log_a1=

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1

10

0

e

H.C.F of x-2 and x²+x-6 is _______:

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x²+x-6

x+3

x-2

x+2

If a²+b²=c²then triangle is called:

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Acute

Right angled

Obtuse

Scalene

If a:b = c:d, then a, b, c and d are said to be in _________

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Ratio

Variation

Proportion

Disproportion

When a polynomial has been written as a product consisting only of ___________factors, then it is said to be factored completely ?

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Prime

Natural

Rational

Irrational

The different number of ways to describe a set are:

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1

2

3

4

Sec² θ -tan²θ =______________.

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sec²θ

cos²θ

1

sin²θ

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

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20^o= ..............................

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360^o

630^o

1200^o

3600^o

A circle of any radius can be constructed by rotating a compass about:

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A chord

An arc

The straight line

A fixed point

Angles between 180^o and 270^o are to which quadrant?

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I

II

III

IV

A circum angle is subtended between any two chords of a circle, having:

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Circumference

Diameter

Radius

Central angle

If x∈ A and x∈ B, then {x} is equal to .

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A - B

A^c

A∩ B

B^c

An angle which is equal to 90° is called:

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right angle

obtuse angle

acute angle

none of these

One and only one circle can pass through ______ non-collinear points:

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Two

Three

Four

Five

A.M between 1 + x - x² and 1 + x + x² is:

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1 + x²

1 + x

2

none

180° = _____________:

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π radians

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linear equation

Quadraticequation

cubicequation

radicalequation

A dice is thrown. The probability to get an even number is:

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1

none of these

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- cot Θ

- tan Θ

tan Θ

none of these

Number of terms in the expansion of (a+b)ⁿ is:

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n

n+1

n-1

none of these

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A is superset of B

B is superset of A

A is subset of B

A is equivalent to B

The next term of the sequence-1, 2, 12, 40, .........is:

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112

212

144

none

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3

-3

1/3

-1/3

π, e are:

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integers

natural numbers

rationalnumbers

irrationalnumbers

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The feasible solution, which maximizes or minimizes the objective function, is called the _________:

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Maximum solution

Optimal solution

Minimum solutions

None of these

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Left or right

Upper or lower

Open

None of these

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The vertex of parabola (x - 1)² = 8 (y + 2) is:

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(1, -2)

(0, 1)

(-1, -2)

(1, 2)

The symbol y = f(x) i.e. y is equal to f of x, invented by Swiss mathematician-----------:

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Euler

Cauchy

Leibniz

Newton

A function, which is to be maximized or minimized is called an ________:

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Maximum function

Objective funciton

Minimum function

None of these

The line l is horizontal if and only if slope is equal to:

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0

1

2

undefined

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x = 0

y = -a

y = 0

y = -a

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The focus of the parabola x2=-4ay is:

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(-a , 0)

(0, a)

(0, -a)

(a, 0)