Question # 1

Choose an answer

110

220

1320

None of these

Choose an answer

2/9,5/7∈ R,(2│9)(5│7)=10/63∈R this property is called

Choose an answer

Associative property

Identity property

Commutative property

Closure property w.r.t multiplication

If 0 = {1,3,5.......}, then n (0) =

Choose an answer

99

odd integers

Even numbers

Infinite

The period of|sin⁡2x| is

Choose an answer

π/2

-π/2

π

π/3

Choose an answer

cos^-1(cos x) =

Choose an answer

x

cos x

x = 1/x

cos^-2 x

Choose an answer

0

1

w¹¹= ______

Choose an answer

0

1

w

w²

Choose an answer

0

1

Which is the proper rational function

Choose an answer

the latus rectum of the parabola x³= -4ay is:

Choose an answer

x = a

y = -a

x = -a

y = 0

The curve f(x,y) = 0 has a central symmetry if

Choose an answer

f(-x,-y)=f(x,y)

f(x,-y)=f(x,y)

f(-x,y)=f(x,y)

f(-x,-y)≠f(x,y)

The exterior angle of the interior angle C of he quadrilateral whose vertices are A(5,2),B(-2,3),C(-3,-4),D(4,-5) is

Choose an answer

30°

60°

45°

90°

The solution of equation x2 + 2 = 0 in the set of real number is

Choose an answer

Infinite set

Singleton set

Null set

None of these

The maximum value of sinθcosθis

Choose an answer

1

1/2

1/4

1/6

If A = |aij| is (m x n) matrix then transpose of A is of the order

Choose an answer

m x m

m x n

n x n

n x m

The identity element of a set X with respect to intersection in P(x) is

Choose an answer

X

Does not exist

∅

None of these

The exact value of cos-1 (0) is

Choose an answer

π/2

-π/2

3π

π-π/6

Choose an answer

xa^x-1

a^x

x in a

a^xIn a

The distance of the plane 2x - 3y + 6z + 14 = 0 from the origin is

Choose an answer

14

2

-2

11

The range of the function f : x→ y is defined by

Choose an answer

{x| y = f (x) ∀x∈ X ∧y∈y}

{(x,y) |y = f (x)∀x∈ X}

{y|y = f (x) ∀x∈ X ∧y∈y}

Y

If A is a non singular matrix then A^-1= ______

Choose an answer

The equation (cos p - 1)x²+ x (cos p) + sin p = 0 in the variable x, has real roots, then p can take any value in the interval

Choose an answer

(0, 2π)

(-π, -0)

(0,π)

None of these

(2.02)4 s equal to

Choose an answer

16

16.6496

17

18

Choose an answer

Period of Cotangent function is

Choose an answer

π

-π

0

-2π

More Classes

Other Links

ECAT Mathematics Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer