Question # 1

The set {{a,b}} is

Choose an answer

Infinite set

Singleton set

Two points set

None

The number of subsets of B = {1,2,3,4,5}

Choose an answer

10

32

16

5

Multiplicative inverse of 0 is

Choose an answer

0

1

±1

Does not exist

The line 2x +√6y =2 is a tangent to the curve x2 -2y2 =4 The point of contact is

Choose an answer

(√6,1)

(2,3)

(7,-2√6)

(4,-√6)

If a force F = 2i + j +3k acts at point (1,-2,2) of a body then the moment of F about a pint lying on the line of action of the force is

Choose an answer

5

Equal to the moment of the force about origin

0

Cannot be found

Choose an answer

If t is the parameter for one end of a focal chord of the parabola y²= 4ax, then its length is

Choose an answer

Two balanced dice are tossed once, the sample space when the integers on the faces of two dice are the same is

Choose an answer

{(1, 1), (2, 2), (3, 3)}

{(4, 4), (5, 5), (6, 6)}

{(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)}

None of these

Choose an answer

A line segment whose end points lie on a circle is called

Choose an answer

The secant of the circle

The arc of the circle

The chord of the circle

The circumference of the circle

The probability of getting a number between 1 and 100 which is divisible by 1 and itself if only is

Choose an answer

1 / 4

1 / 2

3 / 4

25 / 98

Choose an answer

None of these

Choose an answer

-sinθ

cosθ

sinθ

-cosθ

How many term are there in the A.P, in which a₁ = 11 , a_n =68, d=3

Choose an answer

30

27

20

21

Choose an answer

Addition

Multiplication

Division

Both addition and multiplication

Choose an answer

Reflexive property

Symmetric property

Transitive property

Additive property

The complement of set A relative to universal set U is the set

Choose an answer

{x / x∈ A∧ x∈ U}

{x / x∉ A∧ x ∈ U}

{x / x∈ A and x ∉ U}

A-U

Gooch crucible is made of :

Choose an answer

Brass.

Porcelain.

Bronze.

Gold.

If ∀a,b ε R,then a +b ε R is a property

Choose an answer

Closure law of addition

Associative law of addition

Additive inverse

Additive identity

Number of selections of n different things out of n

Choose an answer

1

nPr

n!

nPr

Choose an answer

An indicated sum of terms of a sequence is represented by

Choose an answer

Sn

an

S(n)

{Sn}

cot(3π/2 -θ)=______;

Choose an answer

tanθ

cotθ

-tanθ

-cotθ

Number of ways of writing the letters of WORD taken all at a time is

Choose an answer

24

4

12

6

The statement that a group can have more than one identity elements is

Choose an answer

True

False

Fallacious

Some times true

Choose an answer

none of these

√23 is

Choose an answer

A rational number

A irrational number

An even integer

A factor of 36

The lotus of intersection of perpendicular tangents to the parabola y² = 4ax is:

Choose an answer

Axis of the parabola

Focal chord of the parabos

The tangent at vertex of the parabola

a directrix of the parabola

Let P(x₁, y₁) and Q(x₂, y₂) be two points in the co-ordinate plane. Let d = distance between P and Q

Choose an answer

The A.M. of two numbers is 34 and G.M. is 16, the numbers are

Choose an answer

2 and 64

64 and 3

64 and 4

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