Question # 1

If y=2x+1, x=2 then y is:

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2

3

4

5

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[-13]

[-3]

[3]

[13]

Difficult and complicated calculation become easier by using:

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Matrices

Logarithms

Triangles

None of these

Real part of 2ab(i + i²) is:

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2ab

-2ab

2abi

-2abi

The square root of (4x2-12x+9):

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(2x+3)

(2x-3)

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Every irrational number is _________

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Surd

Not a surd

Rotional

Whole number

log (m)ⁿ can be written as:

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(log m)ⁿ

m log n

n logm

log (mn)

Symbol used for Congruent triangles:

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One and only one line can be drawn through ------- points:

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3

4

5

2

Two congruent triangle are also ___________:

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Not equal

Non congruent

Proportional

Similar

In class (10-19) , upper class limit is.

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10

19

29

14.5

ax²+bx+c=0, c is the:

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Co-efficient

Variable

Factors

Constant

The third proportional of x² and y² is:

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x²y²

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

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Circumference

Diameter

Radius

Central angle

If A⊆ B then A∪ B is equal to

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A

B

∅

None of these

If b²-4ac < 0, then roots are:

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Unreal

Imaginary

Real

Unequal

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5

18

15

23

Line intersecting a circle is called:

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Tangent

Secant

Chord

Diamter

One minute is denoted by:

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1'

1''

1°

60'

1/2 Cosec 45^o = ___________________

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1/2√2

1/√2

√2

√3/2

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Proper fraction

Rational fraction

Irrational fraction

Improper fraction

G.M between -2i and 8i is:

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4 or -4

4i or -4i

2 or -2

none

tan(π + cot^-1x ) =

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Division of a natural number by another natural number gives:

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always a natural number

always an integer

always a rationalnumber

always an irrational number

The roots of the equation:

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complex

irrational

rational

none of these

No. of arrangements of the letters of the word PAKPATTAN can be made, taken all together ?

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15130

15120

1512

none of these

The quadrant of an angle Θ is determined by its:

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sign

value

ratio

magnitude

What is called the arrangement of numbers formed according to some definite rule ?

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arithmetic sequence

geometricsequence

sequence

none of these

A matrix of order m×1 is called:

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row matrix

column matrix

identity matrix

scalar matrix

The range of principal sine function is:

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Conjugate of complex number (-a, -b) is:

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(-a, b)

(-a, -b)

(a, -b)

none of these

The roots of the equation 25x² - 30x + 9 = 0 are;

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rational

irrational

equal

complex

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f(x) is odd function. If and only if:

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f(-x) = -f(x)

f(-x) = f(x)

f(x) = 3f(-x)

f(x) = -3f(-x)

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sinh x

cosh x

-sinh x

-cosh x

Two vectors are equal if they:

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Pass through the same point

Are parallel to each other

Are parallel to each other and have same direction

Have equal magnitude and have same direction

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Line

Parabola

Ellipse

Hybperbola

A function, in which the variable appears as exponent (power), is called a / an -------- function.

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Constant

Explicit

Exponential

Inverse

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x = a

for all x

x = 0

Which of the following is a vector quantity ?

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Work

Temperature

Distance

Displacement

The focus of the parabola y²=-4ax is:

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(-a , 0)

(0, a)

(0, -a)

(a, 0)

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If the inclination of a line lies between ]90°, 180°[, then the slope of line is :

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Positive

Negative

Zero

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