Question # 1

E-radius corresponding to < A is

Choose an answer

For the equation |x²| + |x| -6 =0, the roots are

Choose an answer

One and only one real number

Real with sum one

Real with sum zero

Real with product zero

Z is the set of integers, (z, *) is a group with a * b = a + b + 1, a, b∈G. then inverse of a is

Choose an answer

-a

a + 1

-2 -a

None of these

Choose an answer

A number A is said to be the A.M between the two numbers a and b if a, A, b are in

Choose an answer

A.M

A.P

G.P

G.M

Choose an answer

1

-1

The multiplicative inverse of -3i is

Choose an answer

3i

-3i

-1/3i

1/3 i

Choose an answer

2 b

2 a

2 ab

a + b

There are 16 point in a plane, in which 6 are collinear. how many lines can be drawn by joining these points?

Choose an answer

10

66

71

106

The common ration of a geometric sequence cannot be

Choose an answer

0

1

2

3

If sin x + sin²x = 1, then the value of Cos¹²x + 3cos¹⁰x + 3cos⁸x + cos⁶x + 2 cos⁴x + cos²x-2 is equal to

Choose an answer

0

1

2

sin²x

The set { 1 , -1} is closed w.r.t.

Choose an answer

Addition

Multiplications

Subtraction

None of these

If A = {x / x ∈ R ∧ x² - 16 = 0} then A =

Choose an answer

- x

Infinite set

Φ

{-4,4}

Choose an answer

A finite set

An infinite set

An empty set

None of these

2cos2 a/2 =______;

Choose an answer

1+sina

1-sina

1+cosa

1-cosa

Choose an answer

π/ 4

π/ 6

π/ 3

2π/ 3

Choose an answer

The multiplicative inverse ofx^(-1) is

Choose an answer

x

a-2

0

1

The distance of the point (-2, -3) from the origin is

Choose an answer

2

-5

-3

Choose an answer

The length of the tangent from (2, 1) to the circle x²+ y²+ 4y + 3 = 0 is

Choose an answer

[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

Choose an answer

xa^x-1

a^x

x in a

a^xIn a

The set {{a,b}} is

Choose an answer

Infinite set

Singleton set

Two points set

None

Choose an answer

A rule that assigns to each elements x in X a unique element y in Y is called a ____________

Choose an answer

domain

range

function

none of these

Choose an answer

R/[0,4]

R/(0,4)

(0,4)

[0,4]

Choose an answer

x-axis

y-axis

z-axis

None of these

If the radius of a circle is increased by 1 then area of circle will be

Choose an answer

π r2

π(r+1)2

π r2 +1

2π (r+1)

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