Question # 1

Choose an answer

Zero matrix

Diagonal matrix

Column matrix

Scalar matrix

The liner equation ax + by = c is called _________ of the inequality ax +by > c.

Choose an answer

Associated equation

Non-associated equation

disjoint equation

Feasible equation

Choose an answer

4A - 3I

3A - 4I

A - I

None of these

Choose an answer

sin 2 α=

Choose an answer

The formula an = a +(n-1)d for an A.P is called

Choose an answer

nth term of an A.P

Sum of first n terms

A,M between a and b

None of the above

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

Choose an answer

±1

0

2

4

If cos (2 sin-1 x) = 1/9 , then what is the value of x?

Choose an answer

1/3

-2/3

2/3

2/3 , -2/3

Choose an answer

16

None of these

√23 is

Choose an answer

A rational number

A irrational number

An even integer

A factor of 36

The exact degree value of the function sin-1( -√3/2) is

Choose an answer

70^ο

50^ο

90^ο

60^ο

The equation x²+ y²= 0 represents

Choose an answer

A circle

A degenerate circle

An empty set

A st. line

Domain of y = cot x = ______

Choose an answer

A rectangular hyperbola whose centre is C is cut by any circle of radius r in four points P, Q, R and S. Then CP²+ CQ²+ CR²+ CS²=

Choose an answer

r²

2 r²

3 r²

4 r²

A square is inscribed in the circle x²+ y²- 2x + 4y + 3 =0. Its sides are parallel to the co-ordinate axes. Then one vertex of the square is

Choose an answer

For the parabola the line through focus and perpendicular to the directrix is called

Choose an answer

Tangent

Vertex

Axis

None

Choose an answer

Two positive integers whose sum is 30 and their product will be maximum are

Choose an answer

12,18

10,20

15,15

14,16

Choose an answer

If S_rdenotes the sum of the first r terms of a G.P., then S_n, S_2n- S_n, S_3n- S_2nare in

Choose an answer

A.P.

G.P.

H.P.

None of these

The roots of px2 - (p-q)x-q=0 are

Choose an answer

equal

Irrational

Rational

Imaginary

If θ be angle between u,v and u,v determine the sides of a triangle then the third side opposite to angle θ has length

Choose an answer

|u+v|

|u|+|v|

|u-v|

|u|-|v|

The slope of x-axis is

Choose an answer

0

undefined

1

For any set X, X∪X is

Choose an answer

X

X'

Φ

Universal Set

The equation |x +4| = x has solution

Choose an answer

x = -2

x = 2

x = -4

x = 4

The set of all positive even integers is

Choose an answer

Not a group

A group w.r.t subtraction

A group w.r.t division

A group w.r.t multiplication

The roots of the equations will be equal if b²- 4ac is

Choose an answer

Positive

Negative

1

Zero

Choose an answer

One-one but not onto

One-one and onto

Onto but not one-one

Neither one-one nor onto

Choose an answer

0

1

If a polynomial P(x) is divided by x + a, then the remiander is

Choose an answer

P(a)

P(-a)

P(0)

None of these

In set builder notation the set {0,1,2,........100} can be written as

Choose an answer

{x / xε B ∧ x ≤ 100}

{x / x ∈ W ∧ x < 101}

{x / x ∈ Z ∧ x < 101}

The set of first 100 whole numbers

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