Question # 1

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

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Ratio

Variation

Proportion

Disproportion

The Symbol used for (1--------1) Correspondence is:

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________

Which of them is not an acute angle

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30°

60°

80°

90°

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(a-b)2

(a+b)2

a+b

a-b

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12

-6

9

6

Diagonals of a rectangle are:

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Equal

Congruent

Opposite

None of these

How many angles in right triangle are of 90°:

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1

2

3

4

The standard form of linear equation in one variable is:

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ax+by+c

ax²+bx+c

ax+b=0

ax+by+cz=0

A triangle having all sides different called:

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Scalene

Right angle

Equilateral

Isosceles

If sum of two angle is 180°, then these are called:

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Vertical

Supplementary

Complementary

Adjacent

20^o = _______________________________

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360'

630'

1200'

360'

Locus of a point in a plane equidistant from a fixed point is called:

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Radius

Circle

Circumference

Diameter

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u = v²

u = kv²

uv²= k

uv² = 1

The lengths of two transverse tangents to a pair of circles are:

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Unequal

Equal

Overlapping

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-1

1

0

Cto 60^o=.................

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1/2

√3/2

√3

1/√3

The positive square root of mean of the squared deviation of X,{1=1,2,3,.......n) observations from their arithmetic mean is called.

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Harmonic mean

Range

Standard deviation

Variance

O∪ E = ................

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∅

O

E

Z

The positive square root of mean of the squared deviations of x_i(i=1, 2---------------------,n) observations from their arithmetic mean is called:

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Harmonic mean

Range

Standard deviation

2π radian = .......................

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0^o

90^o

180^o

360^o

Quadratic equation is also known as equation of:

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Standard form

Polynomials

Second degree

Higher order

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B

A

none of these

Probability of an impossible event is:

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0

1

-1

∞

A geometric series is convergent only if:

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| r | > 1

| r | < 1

| r | = 1

none of these

The ration of the sum and product of roots of 7x² - 12x + 18 = 0 is:

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7:12

2:3

3:2

7:18

No. of ways of solving a quadratic equation:

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1

3

2

4

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rationalnumber

irrationalnumber

naturalnumber

wholenumber

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x = 0

y = 0

x = 0 and y = 0

x = 0 or y = 0

A function f(x) is said to be the periodic function if, for all x in the domain of f, there exists a smallest positive number p such tat f (x + p) = ________:

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f (p)

x + p

0

f(x)

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degree of P(x) = degree of Q(x)

degree of P(x) < degree of Q(x)

degree of P(x) > degree of Q(x)

none of these

The area of a sector of a circular region of radius r with length of the arc of the sector equal to s is-----------:

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rΘ

rs

If a matrix A is symmetric as well as skew symmetric, then:

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A is null matrix

A is unit matrix

A is triangular matrix

A is diagonal matrix

The graph of linear equation of the form ax + by = c is a _________ where a, b and c are constants and a, b are not both zero.

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Curve

Circle

Straight line

Parabola

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

y² = 4ax, is the standard equation of the:

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Ellipse

Parabola

Hyperbola

None of these

Point of intersection of x + y = 5 & x - y = 3 is:

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(5, 5)

(4, 2)

(4, 1)

(1, 4)

The technique or method to find such a function whose derivative is given involves the inverse process of differentiation called:

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Differentiation

Integration

Differential

None of these

If the cutting plane is slightly tillted and cuts only one nappe of the cone, then the section is a / an:

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Ellipse

Circular cone

Circle

Point circle

There are _______ feasible solutions in the feasible region:

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Finitely

Two

Infinitely many

Three

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tan x

cot x

- tan x

- cot x

If a straight line is perpendicular to y-axis, then its slope is:

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1

-1

0

undefined

Distance of the point (-2, 3) from y-axis is:

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-2

2

3

1

The focus of the parabola y²=-4ax is:

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(-a , 0)

(0, a)

(0, -a)

(a, 0)