Question # 1

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In (x + iy), y is called as

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Imaginary part

Complex number

Real part

None of above

The principal value of sin^-1[-√(√3) /2] is

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5π/3

-2π/3

-

π/3

Two circle s1: x2+ y2 +2x- 2y- 7= 0: s2: x2+ y2- 6x+ 4y+ 9= 0

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Touch externally

Touch internally

Intersects each other

Do not intersects

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Polynomial

Equation

Improper rational fraction

Proper rational fraction

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Every real number is

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a positive integer

a rational number

a negative integer

a complex number

In a country, 55% of the male population has houses in cities while 30% have houses both in cities and in village. Find the percentage of the population that has house only in villages.

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45

30

25

50

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For each real number, there is a number which is its

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Negative

Possitive

Opposite

Similar

A = B if

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A is equivalent to B

The set {1, 2, 3, 4, ....} is called

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Set of Natural numbers

Set of whole numbers

Set of rational number

Set of irrational numbers

Six boys and 3 girls are to be seated at random, in a row, for a photograph. The probability that no two girls will sit together is

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1/12

1/6

5/12

7/12

If a > 0 they parabola y2 =-4ax lies in

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I and iv quadrant

I quadrant

II and III quadrant

All are incorrect

6 is

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A prime integer

An irrational number

A rational number

An odd integer

The distance of the point (2.3) from x-axis is

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2

3

5

Q∪ Q' =

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Q

Q'

N

R

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cos x

- sin x

- cos x

tan x

The equation of the line perpendicular to x- axis and passing through (-5,3) is

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y -3 =0

x+ 3 =0

y- 3 =∞

x +5 =0

Which of the following is skew symmetric matrix

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Number of selections of n different things out of n

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1

nPr

n!

nPr

The vertex of the standard position angles lies on

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(0,0)

(0,1)

(1,0)

(1,1)

Every irrational number is

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A real number

A prime number

A natural number

An integer

We solve the system of non-homogeneous linear equations by

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a and b

b and c

c and a

a,b and c

Which of the following integrals can be evaluated

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7

5

6

None of these

The sum of complex number (a,b) and (c,d) is

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Number of terms in the expansion of (a+x)ⁿis

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n - 1

n + 1

n + 2

n + 3

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15

9

7

8

The property used in -3 <-2 ⇒0 <1

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Commutative property

Additive property of inequality

Additive inverse

Additive identity

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