Question # 1

Choose an answer

The equation x²+ y²= 0 represents

Choose an answer

A circle

A degenerate circle

An empty set

A st. line

We solve the system of non-homogeneous linear equations by

Choose an answer

a and b

b and c

c and a

a,b and c

Choose an answer

15

15 i

-15 i

-15

The domain and range of a trigonometric function can be allocate by their

Choose an answer

graph

Continuity

Discontinuity

Periods

Choose an answer

-2, 1, 4, 7,.... is ______

Choose an answer

Harmonic sequence

Arithmetic sequence

Geometric sequence

Arithmetic series

The sum of the squares of three distinct real numbers, which are in G.P., is S². if their sum isαS then

Choose an answer

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 26th term of the A.P -2,-4,10,.............is

Choose an answer

136

-136

148

-148

Choose an answer

The sum of indicated terms of a sequence is called

Choose an answer

Arithmetic series

Series

Harmonic series

None of these

Choose an answer

a = -1/2, b = -1

a = 1, b = 2

a = 2, b = 3

None of above

In R the number of identity elements w.r.t.'.' is

Choose an answer

One

Two

Three

Four

Choose an answer

If b₁, b₂, b₃, ... are in G.P. with first term unity and common ratio r, then the minimum value of b₁- b₃+ b₅is equal to

Choose an answer

3/4

1/4

1

None of these

Which of the following is not a unit vector

Choose an answer

[1, 1, 1]

[0, 1, 0]

[0, 0, 1]

[1, 0, 0]

The Principal value of sin-1 (-1/1/2)

Choose an answer

π/2

-π/2

π

-π

Choose an answer

all are correct

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

Choose an answer

5

0

3

Conic sections or simply conics are the curves obtained by cutting a right circular cone by

Choose an answer

a line

two lines

a plane

two planes

If a2 = b2 then

Choose an answer

a = b

a+b= 1

|a+b| =0

None

sin(a-90°)=______;

Choose an answer

sina

cosa

-sinθ

-cosa

Choose an answer

a cosec(ax + b) + c

- a cosec(ax + b) + c

The system of measurement in which the angle is measured in degrees, minutes and seconds is called the

Choose an answer

circular system

CGS system

sexagesimal system

none of these

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

Choose an answer

Addition

Multiplications

Subtraction

None of these

Choose an answer

trigonometric equation

conditional equation

identity

None

Some of two real numbers is also a real number , this property is called:

Choose an answer

Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

Co-ordinate of a point on the parabola y² = 8x whose focal distance is 4 are:

Choose an answer

(2 , 4)

(-2 ,-4)

(-2, 4)

(2,-4)

In (x + iy) x is the known as

Choose an answer

Imaginary part of complex number

Real part of complex number

Complex number

None of above

202.04 is an example of

Choose an answer

Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

More Classes

Other Links

Mathematics ECAT Pre Engineering 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