Question # 1

Φ set is the _______ of all sets

Choose an answer

Subset

Union

Universal

Intersection

If a > b or a < b than a = b is a

Choose an answer

Additive property

Transitive property

Trichotomy property of inequality

(a +bi) -c (c +di) =

Choose an answer

(a +b) = (c +d)

(a +c) + i(b +d)

(a -c) + (c -d)i

(a -c) +(b -d) i

Choose an answer

A and B be two square matrices and if their inverse exist, the (AB)^-1=

Choose an answer

A^-1B^-1

AB^-1

A^-1B

B^-1A^-1

Choose an answer

perpendicular vectors

parallel vectors

concurrent vectors

none of these

If A is any matrix then its additive inverse is

Choose an answer

A

A^-1

A^t

-A

Choose an answer

Set of whole number

Rational Numbers

Complex numbers

Whole numbers

Choose an answer

(2x+a+b+c)

(a+b+c)

(a+b+c+x)

0

If x = 1/x for x ∈ R then the value of x is

Choose an answer

±1

0

2

4

The angle of elevation of the top of a tree from a point 17 meters from is foot is 42^𝜊The height of the tree is

Choose an answer

12m

21m

17m

15m

Which one is quadrantal angle

Choose an answer

8181710°

2345°

-8181180°

-2344°

Choose an answer

0

-1

1

1/2

1/2,1/3,1/4,1/5.........is

Choose an answer

a geometric sec

an arithmetric series

finite sequence

an infinite sequece

Choose an answer

The roots of the equation ax²+ bx + x = 0 are real and distinct if

Choose an answer

b²- 4ac <0

b²- 4ac = 0

b²- 4ac > 0

None of these

The measure of the acute angle between the lines represented by x2 -xy -6y2 =0 is

Choose an answer

120°

30°

130°

45°

If A is a subset of B and B contains at least one element which is not an element of A, then A is said to be

Choose an answer

Improper subset of B

Super set of B

Proper subset of B

None of these

If P is a whole number greater than 1, which has only P and I are factors. Then P is called

Choose an answer

Wholw number

Prime number

Even number

Odd number

Both the roots of the equation (x - b) (x - c) + (x - c)(x - a) + (x - a)(x - b) = 0 are always

Choose an answer

Positive

Negative

Real

None of these

The graph of y> 0 is the upper - half of:

Choose an answer

y-axis

x-axis

1st and 4th quandrant

2nd and 3rd quadrant

The roots of (b-c)x2+(c-a) x+a-b=0 are equal if

Choose an answer

2b = a+c

2a = b+c

2c = a+b

a + b + c =0

If the domain of the function f: x⟶ 2x³+ 1 is {-1,2,3}, the range of the function is

Choose an answer

{3,2,5}

{1,3,9}

{-1,-2,-3}

{3,9,19}

A matrix with a single column is called

Choose an answer

Column matrix

Row matrix

Identity matrix

Null matrix

There is no integer n for which 3ⁿis

Choose an answer

Odd

even

Natural

Prime

If order of A is m x n, then order of A^tis

Choose an answer

m x m

n x n

m x n

n x m

The geometrical representation of a linear function is

Choose an answer

Circle

Parabola

Straight lie

None of these

A line joining two distinct points on a parabola is called

Choose an answer

Axis

Directrix

Chord

Tangent

cotθ= sin 2θifθ=

Choose an answer

a constant function

linear function

quadratic funtion

none of these

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