Question # 1

The distance between the points (0 , 0) and (2, 1) is

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5

0

3

If a,b,c are in arithmetic progression, then 1/a,1/b.1/c are in

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A.M

G.M

H.M

G.P

Given X.Y are any two sets such that number of elements in X = 18, number of elements in set Y = 24,and number of elements in set X∪ Y =40,then number of elements in set x∩ Y =

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3

1

2

4

An equation of the form ax + by = k is homogeneous linear equation when:

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A function from A to B is denoted by

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f: A→ B

f: B → A

f: → A :B

f → A→ B

Given two independent event A and B such that P(A) = 0.30 and P(B) = 0.60. Probability of getting neither A nor B is

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0.28

0.13

0.12

0.42

G is geometric mean between a and b if a, G, b is

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A.P.

G.P.

H.P.

None of these

i³ =

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-1

i

-i

1

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In (x + iy) x is the known as

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Imaginary part of complex number

Real part of complex number

Complex number

None of above

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a cot(ax + b) + c

- a cot(ax + b) + c

The domain of the function y = sin x , is

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-π/2≤ x≤ π/2

π/ ≤ x≤ π

-2π ≤ x≤ 2π

-1 ≤ x≤ 1

If the matrices A and B are conformable for multiplication then (AB)^t= ______

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AB

A^tB^t

B^tA^t

A^tB

45° = ______

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The vertices of the ellipse x²+ 4y²= 16 are

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The eccentricity of the parabola y²= -8x is

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-2

2

-1

1

Ifᵨ> 1 , then the conic, is:

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Ellipse

Parabola

Hyperbola

None of these

The set {-1,1} is

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Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

The liner equation ax + by = c is called _________ of the inequality ax +by > c.

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Associated equation

Non-associated equation

disjoint equation

Feasible equation

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0

-1

1

not defined

If n is not natural number, then the expansion (1 + x)ⁿis valid for

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If n is a positive integer then n! is

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(n - 1) (n - 2) .....3,.2.1

n(n - 1) (n - 2) ...3.2.1

n(n - 1 ) ( n -2) ... 3

None of these

Domain of 2 cos x is ______

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[-2, 2]

R

Negative real numbers

None of these

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(1+w)(1+w2)(1+w4)(1+w8)....50 factors

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0

-1

1

2

The period of 2 cos x is

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30π

7π

5π

2π

If s = 2t³- 3t²+ 15t - 8 is the equation of motion of a particle, then its initial velocity is

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8

15

-6

None

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