Question # 1

Choose an answer

perpendicular vectors

parallel vectors

concurrent vectors

none of these

Choose an answer

Empty set is

Choose an answer

Not the member of real numbers

Infinite set

Finite set

Not subset of every set

If the st. line 3x + 4y = K touches the circle x²+ y²- 10x = 0 then the value of K is

Choose an answer

-1 or 20

-10 or 40

-2 or 20

2 or 20

Choose an answer

3 sec²x

3 sec²3x

sec²3x

sec²x

For what value of k, 3x -2y+ k= 0 is tangent to the circle x2 +y2 +6x -4y =0

Choose an answer

k=0

k=0 or 26

k = 26

k=-13

Choose an answer

The series obtained by adding the terms of an arithmetic sequence is called the

Choose an answer

Infinite series

Harmonic series

Geometric series

Arithmetic series

The conic ax2+2hxy+by2+2gx+2fy+c= 0 never represent a circle if

Choose an answer

a≠ b,h≠0

a=b

h≠0

h=0

Choose an answer

If you are looking a bird in the tree from the ground then the angle formed is called angle of______;

Choose an answer

Elevation

Depression

Right angle

None of these

The measure of the angle subtended at the centre of the circle by an arc, whose length is equal to the radius of the circle is

Choose an answer

1⁰

1'

1"

1 rad

Choose an answer

Singular

Non-singular

Adjoint

None of above

A square matrix A = [aij] is upper triangular when

Choose an answer

cij = 0

bij = 0

aij = 0 for all i > j

dij = 0

The square matrix A is skew-symmetric when At =

Choose an answer

-B

-C

-A

-D

Choose an answer

3

6

0

None of these

Choose an answer

0

-1

1

Choose an answer

The value of the expression 3 cosθ+ 4 sinθθlie between

Choose an answer

-7 and 7

-25 and 25

-1 and 1

-5 and 5

If all members of a sequence are real numbers then it is called

Choose an answer

A.P

Real Sequence

G.P

None of these

Trival solution of homogeneous linear equation is

Choose an answer

(0, 0, 0)

(1, 2, 3)

(1, 3, 5)

a, b and c

Choose an answer

0

1

undefined

A triangle has ____ elements

Choose an answer

3

4

5

6

Choose an answer

1

2

-2

For two events A and B if P(A) = P (A/B) = 1/4 and P(B/A) = 1/2, then

Choose an answer

A is sub-event of B

A and B are mutually exclusive

A and B are independent and P(A/B) = 3/4

None of these

G = {e, a, b, c} is an Abelian group with e as identity element The order of the other elements are

Choose an answer

2,2,2

3,3,3

2,2,4

2,3,4

Choose an answer

202.04 is an example of

Choose an answer

Recurring decimals

Non-recurring decimals

Terminating decimals

None of above

The equation of the circle wit (-1, 1) and radius 2 is

More Classes

Other Links

ECAT Pre General Science 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